gashEnglishOxford English Thesaurusgash noun there was blood running from a gash on his forehead: laceration, cut, slash, tear, gouge, puncture, score, incision, slit, split, rip, rent, nick, cleft; scratch, scrape, graze, abrasion; wound, injury, lesion, contusion; Medicine trauma, traumatism.verb Frank gashed his hand on some broken glass: lacerate, cut (open), slash, tear (apart), gouge, puncture, incise, score, slit, split, rend, nick, snick, notch, cleave; scratch, scrape, graze, abrade; wound, injure, hurt, damage, maim.gash (1) Oxford Dictionary of English