1) a group of things of the same kind growing closely together (cluster)

2) closely packed together; nearly fitted (compact)

3) a person or thing exactly like, or closely corresponding to, another (counterpart)

4) inborn; bred for several generations from ancestors closely related (inbred)

5) a person who is clever at imitating others, especially in order to make fun of their habits, appearance etc; to look like (something) closely (mimic)

6) (in an engine) a round, short piece of metal fitting closely inside a tube in which it moves to cause motion (piston)

7) a dark shape on the ground, a wall etc because of shade; to follow closely and watch the movements of (a person) (shadow)

8) veterinary surgeon; to examine (a person, plan etc) closely and critically (vet)