a fine net of threads made by a spider to catch insects; a single thread of this net (usually used when it is old and covered with dirt) 蜘蛛网,蜘蛛丝(常指落满灰尘的旧蛛网) Thick cobwebs hung in the dusty corners. 积有灰尘的角落挂着厚厚的蜘蛛网。 He brushed a cobweb out of his hair. 他拂去了头发上的蜘蛛丝。
Word OriginMiddle English coppeweb, copweb, from obsolete coppe ‘spider’ + web.