龙骨刺 lónggǔcì hedge euphorbia Origin Definitions Defs Strokes Stroke Words Sentences Sents 龙骨 龍骨 lónggǔ keel The central structural beam along the bottom of a ship's hull; by extension, any similar supporting frame in an aircraft or building.刺 cì noun thorn a small, sharp, pointed object such as a thorn, splinter, or fish bone