countersing
Verb
Meaning
countersing (third-person singular simple present countersings, present participle countersinging, simple past countersang, past participle countersung)
(ethology, of a bird) To sing in response to the song of another
Verb
countersing (third-person singular simple present countersings, present participle countersinging, simple past countersang, past participle countersung)
(ethology, of a bird) To sing in response to the song of another