[gig.gle] vb gig.gled ; gig.gling [imit.] vi (1509): to laugh with repeated short catches of the breath ~ vt: to utter with a giggle -- gig.gler n -- gig.gling.ly adv -- gig.gly adj
[2]giggle n (ca. 1677) 1: the act of giggling
2. chiefly Brit: a source of amusement