| Chin 1. (n.) The lower extremity of the face below the mouth; the point of the under jaw. 2. (n.) The exterior or under surface embraced between the branches of the lower jaw bone, in birds. Thesaurus Entries bandy words, bat the breeze, beat the gums, button, causerie, chat, chew the fat, chew the rag, colloque, colloquize, commerce with, commune with, communicate, communicate with, confab, confabulate, converse, converse with, discourse with, jaw, mentum, prose, rap, shoot the breeze, speak with, spiel, take counsel with, talk, talk together, visit, visit with, yak, yakkety-yak, yap, yarn |