Definitions
1.nounA quiet sound, particularly one from a baby bird.
2.nounA feeble utterance or complaint."I don't want to hear a peep out of you!"
3.nounThe sound of a steam engine's whistle; typically shrill.
4.nounA kind of bird; a sandpiper.
5.verbTo make a soft, shrill noise like a baby bird.
6.verbTo speak briefly with a quiet voice.