おかちんおかちんMeanings1nounmochifemale term, language, or namearchaicArchaic female term for mochi (rice cake). Used historically by women; now obsolete.See also: 餅 (もち)昔むかしの女じょ性せいは餅もちのことを「おかちん」と呼よんだ。In the past, women called mochi 'okachin'.