Webster’s Revised Unabridged Dictionary · 1913 Morelle Mo·relle′ (mō·rĕl′), n. [F., orig. fem. of moreau black, OF. morel, fr. LL. morellus. Cf. Morello, Murrey.] (Bot.) Nightshade. See 2d Morel. ‹ Moreland Morello ›