1. peeper(n = noun.person) peeping tom, voyeur - a viewer who enjoys seeing the sex acts or sex organs of others;
is a kind of looker, spectator, viewer, watcher, witness
Derived form verb peep1
2. peeper(n = noun.body) - an informal term referring to the eye;
is a kind of eye, oculus, optic
3. peeper(n = noun.animal) - an animal that makes short high-pitched sounds;
is a kind of animal, animate being, beast, brute, creature, fauna
Derived form verb peep3
1. A chicken just breaking the shell; a young bird. [1913 Webster]
2. One who peeps; a prying person; a spy. [1913 Webster]
"Who's there? peepers, . . . eavesdroppers?" [1913 Webster]
3. The eye; as, to close the peepers. [1913 Webster]
peeper, n.
1 a person who peeps.
2 colloq. an eye.
3 US sl. a private detective.