"chins" in the noun sense
1. chin, mentum
the protruding part of the lower jaw
2. Kuki, Chin, Kuki-Chin
Kamarupan languages spoken in western Burma and Bangladesh and easternmost India
"chins" in the verb sense
1. chin, chin up
raise oneself while hanging from one's hands until one's chin is level with the support bar
Source: WordNet® (An amazing lexical database of English)
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