三つ
Meanings
1
The native Japanese numeral for three, used for counting general objects with the counter つ.
Please give me three apples.
I'll start after counting to three.
2
three years old
Used specifically to refer to a child's age of three, often in the context of growth milestones.
My daughter will be three this year.
Usage patterns
- 〈人〉は三つになるsomeone turns three years old
My child has already turned three.