caw 
/ˈkɑ:/ noun
plural caws /ˈkɑ:/ noun [count] : the loud sound made by a crow or a similar bird
— caw verb, caws; cawed; caw·ing [no obj]
▪ Crows cawed in the trees.
▪ Crows cawed in the trees.
— cawing noun [noncount]
▪ I heard the cawing of a crow.
▪ I heard the cawing of a crow.
