a. [ LL. amentaceus. ] (Bot.)
a. [ L. atramentum ink, fr. ater black. ] Black, like ink; inky; atramental. [ Obs. ] Derham. [ 1913 Webster ]
a. [ See Nucament. ] (Bot.) Like a nut either in structure or in being indehiscent; bearing one-seeded nutlike fruits.
a. (Bot.) Covered with ramenta. [ 1913 Webster ]