XCORDATE, CORDATED, a. 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.