十じゅう

numeric

ten; 10

The cardinal number ten. Used in counting, mathematics, and everyday contexts. The reading じゅう is standard; とお is used in native Japanese counting (ひとつ, ふたつ, …, とお).

• りんごを十じゅっ個こ買かいました。

  I bought ten apples.

• 十じゅう時じから会かい議ぎが始はじまります。

  The meeting starts at ten o'clock.

noun

ten years old

Only with reading とお

Used specifically for age, read とお. Common in the phrase 十歳 (とお).

• 彼かれは今年ことしで十と歳おになります。

  He will be ten years old this year.

noun

poetry anthology (archaic)

Only when written 什

Archaic meaning, restricted to the kanji 什. Refers to a book containing a collection of poems. Not used in modern Japanese.

• 「什じゅう」は古ふるい詩し集しゅうを指さす字じとして使つかわれた。

  The character 什 was used to refer to old poetry collections.