bellyingEtymologyBy surface analysis, belly + -ing.bellying means bulging or billowing. Lexicurio rates it Rare gem — a strength score of 77 out of 100.adjBulging 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?”nounA bulging, swelling or billowing shape; the act or state of bulging, swelling or billowing.“1693, Simon de la Loubère, A New Historical Relation of the Kingdom of Siam, translated by A.P., London: Tho. Horne, Part II, Chapter II. Of the Houses of the Siamese, and of their Architecture in Publick Buildings, page 32, But the Principal Ornament of the Pagodes, is to be accompanied, as generally they are, with several Pyramids of Lime and Brick […] Some there are which diminish and grow thic”