The digit/figure 3.
Anything measuring three units, as length.
Put all the threes in a separate container.
A person who is three years old.
All the threes will go in Mrs. Smith's class, while I'll take the fours and fives.
The playing card featuring three pips.
A goal or other means of scoring worth three points.
A three-point shot; a basket made from beyond the three-point line.
A three-point landing; an airplane landing in which all three wheels touch the ground simultaneously.
A deer or other animal whose antlers feature three points or tines.
The age of three; three years old.
The boy in his threes is just learning to talk.
A pair of threes.
Three point shots.
The cells located on the second floor.