SE'ALING-WAX, noun [seal and wax.] A compound of gum lac and the red oxyd of mercury; used for fastening a folded letter and thus consealing the writing, and for receiving impressions of seals set to instruments. Sealing wax is hard or soft, and may be of any color.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI