The hiragana syllable こ (ko). Its equivalent in katakana is コ (ko). It is the tenth syllable in the gojūon order; its position is か行お段 (ka-gyō o-dan, “row ka, section o”).

(vulgar, slang) female genitals: a cunt, a pussy / (Internet slang, derogatory, offensive) a woman

(dialect, Tsugaru) a ruby (gemstone)

小幅: single breadth, narrow range

小屋: cottage, hut, cabin; playhouse

横幅: horizontal breadth or width

和製漢語: Japanese-made Chinese words, wasei-kango

和製英語: a Japanese pseudo-anglicism, a Japanese coinage based on English roots

(obsolete, historical) Rare archaic alternative spelling of 用いる (mochiiru), historical 用ゐる (mochiwiru): to use

having served one's purpose