改訂: revision / 改定: reform, alteration, change / 海底: seabed / 開廷: trial / 階梯: stairs; rank; guide

blowgun

(cosmetics) Short for ブルーベース (burū bēsu).

plank, board / (cooking) Short for 俎板. / (cooking) Short for 板前. / (cooking) Short for 板場. / (laundry) Short for 洗濯板. / (Internet) board (sub-unit of a larger BBS or imageboard)