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From bi- + nerve (“a leaf vein”) + -ate (adjective-forming suffix).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Of leaves, wings, etc. having only two nerves or ribs. Full definition →
From bi- + nerve (“a leaf vein”) + -ate (adjective-forming suffix).
Etymology from Wiktionary, CC BY-SA 4.0.