音読み: コウ、ク
訓読み: くち
画数: 3
部首: 口（くち）
Meaning
Mouth / Entrance / Speech
- 口笛 — whistle
- 口調 — tone of voice
- 口紅 — lipstick
- 口内炎 — mouth ulcer
- 口実 — excuse
- 口座 — bank account
Compound - tap to expand
- 口にする — say; mention
- 口を出す — interfere; butt in
- 口が滑る — let something slip
- 口を開く — speak up
- 口うるさい — nagging; overly critical
The character “口” is one of the simplest and most common kanji. It often refers to the physical mouth, but also appears in compound words about speech, entrances, and numbers of people.