n.
Pronunciation: ' klak
Function: verb
Etymology: Middle English, of imitative origin
Date: 13th century
intransitive verb
1 : CHATTER , PRATTLE
2 : to make an abrupt striking sound or series of sounds
3 of fowl : CACKLE , CLUCK
transitive verb
1 : to cause to make a clatter
2 : to produce with a chattering sound specifically : BLAB
– clack · er noun