n. the front of the lower jaw. chin-strap a strap for fastening a hat etc. under the chin. chin up colloq. cheer up. chin-wag sl. n. a talk or chat.
v.intr. (-wagged, -wagging) have a gossip. keep one's chin up colloq. remain cheerful, esp. in adversity. take on the chin 1 suffer a severe blow from (a misfortune etc.). 2 endure courageously. -chinned adj. (in comb.).
[ OE cin(n) f. Gmc ]