a. Nat. Hist. [f. TRI- + L. nervus NERVE + -ATE2; cf. mod.L. trinervis.] Having three nerves or veins. Also Trinerve, Trinerved adjs., three-nerved.

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1811.  A. T. Thomson, Lond. Disp., II. (1818), 45. Thin, cordate … trinerved leaves.

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1819.  Pantologia, Trinerve leaf,… having three nerves or unbranched vessels meeting in the base of the leaf. Ibid. Trinervate.

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1866.  Treas. Bot., Trinerved, trinervis, having three ribs, all proceeding from the base.

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1891.  Cent. Dict., Trinervate … Trinerve.

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