竇 dòuDòu surname Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: sinus All meanings 3 dòu 2 hole 1sinus 1Dòu 1 Dou 1 1 sentence for 竇 (dòu — sinus) 鼻窦炎会引起剧烈的头痛。 bí dòu yán huì yǐnqǐ jùliè de tóutòng. Sinusitis can cause severe headaches. Source: Dong Chinese Dictionary