丝瓜筋 sīguājīn loofah sponge Origin Definitions Defs Strokes Stroke Words Sentences Sents 丝瓜 絲瓜 sīguā loofah loofah; sponge gourd; luffa; an annual vine with yellow flowers whose fruit is eaten when young or used as a sponge when mature筋 jīn noun fiber anything resembling a tendon or vein, such as plant fiber, elastic, or reinforcing steel bars