'tweet' definitions:

Definition of 'tweet'

From: WordNet
noun
A weak chirping sound as of a small bird
verb
Make a weak, chirping sound; "the small bird was tweeting in the tree" [syn: tweet, twirp]
verb
Squeeze tightly between the fingers; "He pinched her behind"; "She squeezed the bottle" [syn: pinch, squeeze, twinge, tweet, nip, twitch]