メスめす○Common wordJLPTN2Freq.FrequencyTop 10,000Meanings1noun, noun which may take the genitive case particle 'no'female (animal, plant)usually written using kana aloneRefers to the biological sex of animals and plants. Often used in contrast with オス (male). Commonly written in katakana as メス.See also: 雄この犬いぬはメスです。This dog is female.