From Middle English chyn, from Old English cin or ċinn (“chin”), from Proto-Germanic *kinnuz (“chin”), from Proto-Indo-European *ǵénus (“chin, jaw”). Compare West Frisian/Dutch kin, Low German/German Kinn, Danish kind, Icelandic kinn and Welsh gen, Latin gena, Tocharian A śanwem, Ancient Greek γένυς (génus) 'jaw', Armenian ծնոտ (cnot), Persian چانه (čâne), Sanskrit हनु (hánu).
- The bottom of a face, (specifically) the typically jutting jawline below the mouth.
- (slang, US) Talk.
- (slang, Britain) A lie, a falsehood.
- (boxing, uncountable) The ability to withstand being punched in the chin without being knocked out.
Shortening of chinchilla.
- (affectionate) a chinchilla.
chin was also found in the following language(s): Aromanian, Franco-ProvenÃ§al, Japanese, Navajo, Romanian, and Spanish