Billow

n.	1.	A great wave or surge of the sea or other water, caused usually by violent wind. Whom the winds waft where'er the billows roll. - Cowper.
	2.	A great wave or flood of anything.
v. i.	1.	To surge; to rise and roll in waves or surges; to undulate. [imp. & p. p. Billowed ( ); p. pr. & vb. n. Billowing.]

Noun	1.	billow - a large sea wave Synonyms: surge
Verb	1.	billow - rise up as if in waves; "smoke billowed up nto the sky" Synonyms: wallow
	2.	billow - move with great difficulty; "The soldiers billowed across the muddy riverbed"
	3.	billow - rise and move, as in waves or billows; "The army surged forward" Synonyms: surge, heave
	4.	billow - become inflated; "The sails ballooned" Synonyms: balloon, inflate

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 and fall, roll, roller, rough water, round out, scend, sea, send, smash, surf, swell out, tidal bore, tidal wave, tide wave, toss, trough, tsunami, undulate, undulation, water wave, wave, wavelet, white horses, whitecaps