There are 2 definitions of chat in English:

chat1

Syllabification: chat
Pronunciation: /CHat
 
/

verb (chats, chatting, chatted)

[no object]
1Talk in a friendly and informal way: she chatted to her mother on the phone every day
More example sentences
  • The giant woman sat with them for a while, bartering and chatting in a friendly and motherly way.
  • Minutes before he arrived, Charlotte had been sober, and was chatting to her friend.
  • At home she likes it cosy: snuggling up on a sofa with a book, chatting to friends.
Synonyms
talk, gossip, chatter, speak, converse, engage in conversation, tittle-tattle, prattle (on), jabber, babble
formal confabulate
1.1Exchange messages online in real time with one or more simultaneous users of a computer network: I keep getting messages popping up on my screen from people wanting to chat
More example sentences
  • Unable to meet their friends in person, they chat online instead.
  • Nor is inflection, tone or humour easily communicated by texting, chatting or email.
  • He spends two to three hours a day chatting.

noun

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1An informal conversation: he dropped in for a chat the perfect place for loads of cocktails and plenty of chat
More example sentences
  • There have been many similar wine-fuelled conversations, conspiratorial chats over coffee, or long-winded email dialogues.
  • How do they like to communicate - by e-mail, voicemail or an informal chat when you drop by their office?
  • Last week you were having cosy, informal chats in their office, now you're getting the brush-off whenever you try to instigate a meeting.
Synonyms
1.1The online exchange of messages in real time with one or more simultaneous users of a computer network: join me for a live online chat Wednesday at 1400 hours
More example sentences
  • Unlike e-mail, which can cost up to 85% less than a phone call, chat doesn't save much.
  • MSN Messenger 4.7 (which comes standard with Windows XP) does not log chats.
  • Provide multiple ways (1-800 number, email, live chat) to connect with your company.

Origin

Middle English: shortening of chatter.

Phrasal verbs

chat someone up

informal Engage someone in flirtatious conversation.
More example sentences
  • ‘He wouldn't let her go out for meals because she might be chatted up by other people or she might chat them up,’ he explained.
  • Two girls join your table and start chatting you up.
  • And they're not chatting you up because they think you're attractive.
Talk persuasively to someone, especially with a particular motive: I chatted up the editor at the press club
More example sentences
  • This does not happen by laying down the law on first contact - any more than it would with another human being - you have to court them, chat them up, get them on your side.
  • When the opposition forcibly occupied the secretary's room to register its protest over being denied an office, he took it in his stride and calmly proceeded to chat them up.

Definition of chat in:

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Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…

There are 2 definitions of chat in English:

chat2

Syllabification: chat
Pronunciation: /
 
CHat/

noun

1 [often in combination] A small Old World songbird of the thrush subfamily, with a harsh call and typically with bold black, white, and buff or chestnut coloration.
  • Saxicola and other genera, subfamily Turdinae, family Muscicapidae: numerous species. See also stonechat, whinchat
More example sentences
  • Old World warblers and chats are an excellent representative system to test these hypotheses.
  • I also caught the only Kentucky Warbler of the day, a Yellow-breasted Chat.
2 [with modifier] Any of a number of small songbirds with harsh calls.
  • a New World warbler that typically has a yellow or pink breast (genera Icteria and Granatellus, subfamily Parulinae, family Emberizidae).an Australian songbird related to the honeyeaters, the male of which is either mainly yellow or boldly marked (genera Ephthianura and Ashbyia, family Ephthianuridae).
More example sentences
  • I could wait until late May and maybe find a mourning warbler or a yellow-breasted chat.
  • Breeding productivity for riparian associated songbirds (e.g., Song Sparrow, Yellow Warbler, and Yellow-breasted Chat) are at levels high enough to maintain viable populations.

Origin

late 17th century: probably imitative of its call.

Definition of chat in: