(noun) an informal conversation. Synonyms: confab, confabulation, schmooze, schmoose.
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Noun Definition 1
(noun) birds having a chattering call. Synonyms: New World chat.
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Noun Definition 2
(noun) songbirds having a chattering call. Synonyms: Old World chat.
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Noun Definition 3
(verb) talk socially without exchanging too much information. Synonyms: chew the fat, shoot the breeze, confabulate, confab, chitchat, chit-chat, chatter, chaffer, natter, gossip, jaw, claver, visit. Examples: "The men were sitting in the cafe and shooting the breeze."