a. [ Pref. bi- + costate. ] (Bot.) Having two principal ribs running longitudinally, as a leaf. [ 1913 Webster ]

{ } a. [ L. costatus, fr. costa rib. ] Having ribs, or the appearance of ribs; (Bot.) having one or more longitudinal ribs. [ 1913 Webster ]

a. [ L. creber close + costa rib. ] (Zool.) Marked with closely set ribs or ridges. [ 1913 Webster ]

a. [ L. curvus + E. costate. ] (Bot.) Having bent ribs. [ 1913 Webster ]

a. [ Pref. e- + costate. ] (Bot.) Having no ribs or nerves; -- said of a leaf. [ 1913 Webster ]

a. [ L. flexus bent + E. costate. ] (Anat.) Having bent or curved ribs. [ 1913 Webster ]

a. [ L. latus broad + E. costate. ] Broad-ribbed. [ 1913 Webster ]

a. [ Multi- + costate. ] Having numerous ribs, or costae, as the leaf of a plant, or as certain shells and corals. [ 1913 Webster ]

a. [ Quadri- + costate. ] Having four ribs. [ 1913 Webster ]

a. [ Pref. tri- + costate. ] (Bot.) Three-ribbed; having three ribs from the base. [ 1913 Webster ]

a. [ Triple + costate. ] (Bot.) Three-ribbed. [ 1913 Webster ]

a. [ Uni- + costate. ] (Bot.) Having a single rib or strong nerve running upward from the base; -- said of a leaf. [ 1913 Webster ]