Skip to content
Stroke order, etymology and audio for every word.Start learning
臼 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
臼jiùmortar; bone joint socketn, 6 strokes, radical 臼, rank #47055, Very Hard
jiù(jiu4)jiu T4
  1. 1mortar; bone joint socket
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026

臼jiù(jiu4)

The character 臼 (jiù) primarily refers to a mortar, a bowl-shaped tool used for grinding substances. In a broader context, it can also denote a bone joint socket, highlighting its physical characteristics of a hollow structure that holds or supports. This word is often used in culinary contexts as well as in traditional medicine.

Strokes6Radical臼Frequency#47055DifficultyVery Hard
Cultural note

In traditional Chinese cooking, the mortar (臼) is essential for preparing ingredients like herbs and spices, reflecting the importance of meticulous preparation in Chinese culinary arts. The act of using a mortar also connects to historical practices in traditional Chinese medicine.

Memory tip

Imagine a giant mortar resting on the ground, shaped like a hollow bowl, ready to grind spices. The character 臼 looks like a bowl with a base, reinforcing the idea of a container that holds and crushes ingredients. Remember, 'jiù' sounds like 'juiced', which is what we do when we grind things down.

Meanings of 臼

jiù(jiu4)
1mortar; bone joint socket
Exercise 1 of 2

By ear

Play it, then pick what 臼 means.

About 臼

臼Simplified
6Strokes
臼Radical
名词míngcínoun (n.)Part of Speech
#—Frequency Rank

Podcast: 臼

JasonAmy

Podcast: 臼

Listen to Jason & Amy break down this word for you

AI study notes for 臼

Usage Notes

When using 臼, be mindful of the context as it can refer to both the tool and the anatomical aspect. Common collocations include '臼和杵' (mortar and pestle). Avoid confusing it with similar sounding words; proper tone is crucial since it is pronounced with a falling tone (jiù).

HSK Study Tips

Although 臼 is not in the official HSK lists, it can be useful for learners at the intermediate level who are expanding their vocabulary related to cooking and traditional practices. Focus on its usage in specific contexts like recipes or discussions about traditional Chinese medicine.

Common Mistakes

Learners often confuse 臼 with similar characters like 穴 (xué, cave), which can lead to misunderstandings in context. For example, saying '我使用穴来磨' (I use a cave to grind) instead of '我使用臼来磨' (I use a mortar to grind) is incorrect.

AI-enhanced 2026-03-24

Pronunciation of 臼

Premium — Locked

AI tone practice

Pro

Drill the tone of 臼 with AI-powered exercises, get instant feedback, and earn XP toward mastery. Interactive tone practice is part of Pro.

Tone drillsInstant feedback+5 XP
Get Pro to unlock

Jason Explains 臼 to you

Let me explain 臼 for you

Make it yours

Jason looks at what you watch and listen to, the checkpoints you have cleared, our lessons and what you have been exploring, and explains 臼 through them.

Sign in free to make it personal. New accounts start with 215 AI credits.

How well do you know 臼?

Example

Learning Lab

Knowing 臼 is seven skills, not one.

Its meaning, its character, its pinyin, its tone — hearing it, saying it, writing it. The Learning Lab measures each one from your own practice, on every word you study, so you see what you actually know rather than how much you have done.

  • MeaningFree
  • CharacterFree
  • PinyinFree
  • TonePro
  • ListeningPro
  • SpeakingPro
  • WritingPro
See the Learning Lab Three facets free · no card needed

Etymology of 臼

Formation typePictographic 象形
六书 ClassificationPictograph (象形字)~4% of characters
Explanation

Pictograph of a mortar: a hollow vessel used to crush ingredients.

Memory hint

A mortar used to grind out powders

Learn more about Pictograph (象形字) characters
Exercise 1 of 1

Origin

What kind of character is 臼?

How to say mortar; bone joint socket in Chinese

“mortar; bone joint socket” in Chinese is臼jiù

The character 臼 (jiù) primarily refers to a mortar, a bowl-shaped tool used for grinding substances. In a broader context, it can also denote a bone joint socket, highlighting its physical characteristics of a hollow structure that holds or supports. This word is often used in culinary contexts as well as in traditional medicine.

When to use 臼

When using 臼, be mindful of the context as it can refer to both the tool and the anatomical aspect. Common collocations include '臼和杵' (mortar and pestle). Avoid confusing it with similar sounding words; proper tone is crucial since it is pronounced with a falling tone (jiù).

What learners get wrong

Learners often confuse 臼 with similar characters like 穴 (xué, cave), which can lead to misunderstandings in context. For example, saying '我使用穴来磨' (I use a cave to grind) instead of '我使用臼来磨' (I use a mortar to grind) is incorrect.

Write 臼

臼

Practice writing 臼 stroke by stroke. Watch the animation to learn the stroke order, then try writing it yourself.

Write correctly 3 times to earn XP

Grammar patterns of 臼

臼 functions as a noun — it names a person, place, thing, or concept. Place it as a subject before the verb (主+谓) or as an object after the verb (谓+宾). Most Chinese nouns require a measure word between the number and the noun (e.g. 一个/三本). The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.

Exercise 1 of 4

Fill the gap

Type the missing word. Pinyin works; then pick the character.

哈里森的一根手指脱____了。

Harrison dislocated a finger.

Example sentences for 臼 (3)

Listen to all sentences once to receive XP
1
哈里森的一根手指脱臼了。

Hā lǐ sēn de yī gēn shǒuzhǐ tuō jiù le。

Harrison dislocated a finger.
2
让肩膀绕臼部转动5次。

ràng jiānbǎng rào jiù bù zhuàndòng5 cì。

Rotate the shoulders in their sockets five times.
3
魔术师把表扔进臼里,从桌子上拿起一把大锤.

móshù Shī bǎ biǎo rēng jìn jiù lǐ, cóng zhuōzi shàng ná qǐ yī bǎ dà chuí.

The conjurer threw the watch into the mortar and grasped a sledgehammer from the table.

Ask Jason

Have a question about 臼?

Jason answers about this word at your level: example sentences, how it differs from similar words, and a way to remember it.

Sign in free to ask. New accounts start with 215 AI credits.

Word Family of 臼

Words containing this character6
脱臼dislocation (of a joint)脫臼
臼jiùmortar
臼齿molar tooth臼齒
窠臼rut
不落窠臼not follow the beaten track
前臼齿premolar tooth (immediately behind canine teeth in some mammals)前臼齒
Exercise 1 of 4

Words with 臼

What does 脱臼 mean?

Frequently asked questions about 臼

臼 is used in the context of grinding spices or making pastes, often paired with a pestle (杵).

Jason Recommends

Not sure what to learn after 臼?

Jason picks three words from your level and explains why each one is worth your time next. It takes a free account so he knows what you already know.

A sample week, replayed. Every page you study lands here in the order you did it — your own replay starts with a free account.

See the Learning Lab