CORDATE, CORDATED adjective [Latin , with a different signification, from cor, the heart.] Having the form of a heart; heart-shaped; a term used by naturalists; as a cordate leaf in botany, resembling the longitudinal section of the heart. Hence, cordate-oblong, heart-shaped lengthened; cordate-lanceolate, heart-shaped, gradually tapering towards each extremity, like the head of a lance; cordate-sagittate, heart-shaped, but resembling the head of an arrow.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI