# 礁 — reef

礁 means “reef”. It is a JLPT N1 kanji written with 17 strokes. On'yomi: ショウ (shou). It has no common kun'yomi.

- Meaning: reef
- On'yomi: ショウ (shou)
- Kun'yomi: —
- Strokes: 17
- Level: JLPT N1 · set Water & the sea 4

## How to remember 礁

Sounds like 焦: both read ショウ.

Parts: 石 stone · 焦 scorch

## Don't confuse it with

[確](https://moji.ninja/n3-kanji/certain/)

## More in the “Water & the sea 4” set

[礁](https://moji.ninja/n1-kanji/reef/) · [汽](https://moji.ninja/n1-kanji/vapour/) · [渓](https://moji.ninja/n1-kanji/mountain-stream/) · [湧](https://moji.ninja/n1-kanji/gush/) · [泌](https://moji.ninja/n1-kanji/ooze/) · [氾](https://moji.ninja/n1-kanji/overflow/) · [溺](https://moji.ninja/n1-kanji/drown/) · [濫](https://moji.ninja/n1-kanji/excessive/)

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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/reef/. Last updated 2026-11-01.