FRILL, noun [infra.] An edging of fine linen on the bosom of a shirt or other similar thing; a ruffle. FRILL, verb intransitive To shake; to quake; to shiver as with cold; as, the hawk frills. FIRM, adjective Flourishing. [Not in use.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI