cor·date \ˈkȯ(r)də̇t, -ˌdāt\adjective Etymology: New Latin cordatus, from Latin cord-, cor heart + -atus -ate — more at heart 1.: shaped like a heart < a cordate shell > 2.: having a rounded base with a notch at the point of attachment < a cordate leaf > — see leaf illustration • cor·date·lyadverb