#1 chat v. [chew the fat, shoot the breeze, confabulate, confab, chitchat, chit-chat, chatter, chaffer, natter, gossip, jaw, claver, visit] talk socially without exchanging too much information; "the men were sitting in the cafe and shooting the breeze". wn
#2 chat n. [confab, confabulation, schmooze, schmoose] an informal conversation. wn
#3 chat n. [New World chat] birds having a chattering call. wn
#4 chat n. [Old World chat] songbirds having a chattering call. wn
vizzz