obs. rare. [f. LOP sb.1 + WEB.] A spiders web; a cobweb.
c. 1391. Chaucer, Astrol., I. § 21. The riet of thin Astrelabie with thy zodiak, shapen in maner of a net or of a lop-webbe.
c. 1412. Hoccleve, De Reg. Princ., 2819. Riȝt as lop-webbys flyes smale & gnattes Taken, and suffre grete flyes go.