1. Equivalent to the product of two and two; one more than three, or six less than ten; 4.
2. A group or unit of four people or things.
3. Four years old.
4. Four o'clock.
5. A hit that reaches the boundary after first striking the ground, scoring four runs.
6. A size of garment or other merchandise denoted by four.
7. A playing card or domino with four pips.
8. A four-oared rowing boat or its crew.
Navya is four years old.