bellying adjective 1noun 1forms 1 adjective1 •Bulging or billowing.Did it change into the cry of the wind, plaintive at first, angrily shrill as it freshened, rising to a tearing whistle, sinking to a musical trickle of air from the leech of the bellying sail? — 1908 noun1 •A bulging, swelling or billowing shape; the act or state of bulging, swelling or billowing.The room into which I was ushered, with its leering volutes and hideous bellyings of brown mahogany, intimately reminded me of a Beardsley drawing. — 1926 formsbellyings