chirp
1. [ verb ] make high-pitched sounds; of birds
Synonyms: cheep chirrup peep twirp
Related terms: utter chitter cheep chirrup peeper
2. [ verb ] (music) sing in modulation
Synonyms: tweedle
Related terms: sing music
3. [ noun ] a sharp sound made by small birds or insects
Related terms: sound tweet tweedle
Similar spelling:   chirpy
  chirrup
  cherub