| Billow 1. (n.) A great wave or surge of the sea or other water, caused usually by violent wind. 2. (n.) A great wave or flood of anything. 3. (v. i.) To surge; to rise and roll in waves or surges; to undulate. Thesaurus Entries bag, balloon, be poised, belly, belly out, bilge, bore, bouge, break, breakers, bug, bulge, chop, choppiness, chopping sea, comb, comber, crash, dash, dilate, dirty water, distend, eagre, ebb and flow, goggle, gravity wave, ground swell, heave, heavy sea, heavy swell, lift, lop, peak, pooch, pop, popple, pouch, pout, riffle, ripple, rise, rise and fall, roll, roller, rough water, round out, scend, sea, send, smash, surf, surge, swell, swell out, tidal bore, tidal wave, tide wave, toss, trough, tsunami, undulate, undulation, water wave, wave, wavelet, white horses, whitecaps |