lap (3)EnglishOxford American Thesauruslap3 verb 1 the sound of waves lapping against the sea wall: splash, wash, swish, slap, slosh, break, purl; beat, strike, dash, surge, rush, ripple, roll, flow; literary plash. 2 the dog lapped water out of a puddle: drink, lick up, sip, sup, swallow, slurp, gulp, swill, suck. □ lap something uphe was lapping up the accolades: relish, revel in, savor, delight in, luxuriate in, bask in, wallow in, glory in, enjoy, indulge in.