perforation

1 a mark or small hole made by a pointed instrument absentmindedly made perforations in his paper with his pencil Synonyms prick, pinhole, pinprick, punch, puncture, stabRelated Words gouge, groove, hollow; break, cut, gash, incision, laceration, notch, rent, rip, rupture, slash, slit, tear

2 a place in a surface allowing passage into or through a thing poked the button through a perforation in the fabric Synonyms aperture, opening, orifice, holeRelated Words loophole; breach, break, chink, cleft, crack, cranny, crevice, cut, fissure, gash, notch, rent, rift, rupture, slash, slit, split, tear; slot, space; exit, mouth, outlet, pore, vent; entrance, inlet, intake; pinhole, pinprick, punch, puncture; airhole, armhole, buttonhole, keyhole, knothole, peephole, pothole, wormholeNear Antonyms fill, filler, filling, patch, plug, seal, stopper; barrier, blockage, obstacle, obstruction