chirrup
verb /ˈtʃɪrəp/
  /ˈtʃɪrəp/
(also chirp)
Verb Forms
| present simple I / you / we / they chirrup |    /ˈtʃɪrəp/   /ˈtʃɪrəp/  | 
| he / she / it chirrups |    /ˈtʃɪrəps/   /ˈtʃɪrəps/  | 
| past simple chirruped |    /ˈtʃɪrəpt/   /ˈtʃɪrəpt/  | 
| past participle chirruped |    /ˈtʃɪrəpt/   /ˈtʃɪrəpt/  | 
| -ing form chirruping |    /ˈtʃɪrəpɪŋ/   /ˈtʃɪrəpɪŋ/  | 
- [intransitive] (of small birds and some insects) to make short high sounds
 - [intransitive, transitive] to speak in a lively and cheerful way