a. [ad. mod.L. bīnāt-us (cf. late L. combīnātus), f. L. bīnī: see BINAL.] Arranged in couples. Binately adv., in pairs.
1807. J. E. Smith, Bot., 176. Binatum, binate, is a fingered leaf consisting of only two leaflets, as in Zygophyllum.
1857. Berkeley, Cryptog. Bot., § 119. 147. The binate ramification.
1870. Hooker, Stud. Flora, 4. Leaves binately pinnate.