# 臼 — mortar

臼 means “mortar”. It is a JLPT N1 kanji written with 6 strokes.  Kun'yomi: うす (usu). You'll see it in words such as 臼 (usu, “millstone; mortar”).

- Meaning: mortar
- On'yomi: —
- Kun'yomi: うす (usu)
- Strokes: 6
- Level: JLPT N1 · set Things 3

## Words with 臼

| Word | Reading | Meaning |
| --- | --- | --- |
| 臼 | うす (usu) | millstone; mortar |

## More in the “Things 3” set

[槽](https://moji.ninja/n1-kanji/vat/) · [鉢](https://moji.ninja/n1-kanji/bowl/) · [錠](https://moji.ninja/n1-kanji/lock/) · [臼](https://moji.ninja/n1-kanji/mortar/) · [栓](https://moji.ninja/n1-kanji/stopper/) · [芯](https://moji.ninja/n1-kanji/wick/) · [箋](https://moji.ninja/n1-kanji/memo-paper/) · [籠](https://moji.ninja/n1-kanji/basket/)

---

From Moji Ninja (https://moji.ninja/), a free app for learning hiragana, katakana and the JLPT kanji from N5 to N1 with spaced repetition. Page: https://moji.ninja/n1-kanji/mortar/. Last updated 2026-11-01.