Definition of gash :
1. A deep and long cut; an incision of considerable length and depth, particularly in flesh.
2. To make a gash, or long, deep incision in; - applied chiefly to incisions in flesh.
rip, cutting off, slicing, cranny, stinger, cut of meat, undercut, welt, diagonal, cold shoulder, take its toll, pierce, help, stroke, trounce, baseball swing, thresh about, flog, rent, thrash, thrash about, tear, wound, cutting, track, laceration, swing, virgule, lather, solidus, strap, slash, thresh, snub, piece, channel, excision, toss, whip, crater, lash, cut down, injure, enter, convulse, harm, aperture, cavity, deletion, jactitate, abyss, slice, separatrix, blowhole, fade
blemish (part of speech: verb)
eyesore, defacement, fleck, scrape, rift, chip, deform, pockmark, nick, weal, slit, spot, speck, distortion, brand, discoloration, discolor, freckle, scab, spoilage, kink, impurity, wart, stigma, splotch, disfigure, crack, distort, deface, notch, damage, deformity, taint, hurt, scar, dot, sore, flaw, hole, scratch, imperfection, mark, blister, drawback, check, defect, abrasion, fracture, lesion, spoil, blemish, stain, abrade, disfigurement, hack, tarnish, blot, scuff, fault, score, blotch, mar
notch (part of speech: verb)
- Nowhere could he see the gash of a street in that plateau of roof- tops- so narrow they were; and no noise rose at all, they were so deep. - "The Truants", A. E. W. (Alfred Edward Woodley) Mason.
- That a figure, with two small round black beads for eyes; a gilded face, deep cut into horrible wrinkles; an open gash for a mouth, and a distorted skeleton for a body, wrapped about, to make it fine, with striped enamel of blue and gold;- that such a figure, I say, should ever have been thought helpful towards the conception of a Redeeming Deity, may make you, I think, very doubtful, even of the Divine approval,- much more of the Divine inspiration,- of religious reverie in general. - "The Ethics of the Dust", John Ruskin.
- It has made a horrible gash in the horse's belly, and the entrails protrude, dragging along the ground. - "The Land of The Blessed Virgin; Sketches and Impressions in Andalusia", William Somerset Maugham.