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Webster 1913 Edition

Noun.

A chicken just breaking the shell; a young bird.

One who peeps; a prying person; a spy.

Who’s there?

peepers

, . . . eavesdroppers?

J. Webster.

The eye;

as, to close the

peepers

[Colloq.]

peeper ‎(plural peepers)

(colloquial, chiefly in the plural) The eye.
Check out the gorgeous peepers on that guy!
Someone who peeps; a spy.
- J. Webster
  Who's there? peepers, […] eavesdroppers?
An animal, such as some frogs, having a shrill, high-pitched call.
(dated, slang, derogatory) A private detective.
(colloquial) A chicken just breaking the shell; a young bird.
A peeping tom.

eye (colloquial)