To utter a succession of light chirping or tremulous sounds; chirrup.
intransitive verbTo speak rapidly and in a tremulous manner.
intransitive verbTo giggle nervously; titter.
intransitive verbTo tremble with nervous agitation or excitement.
intransitive verbTo utter or say with a twitter.
nounThe light chirping sound made by certain birds.
nounA similar sound, especially light, tremulous speech or laughter.
nounAgitation or excitement; flutter.