Emily Dickinson Lexicon
Definition for TRI-PEN'NATE, or TRI-PIN'NATE
TRI-PEN'NATE, or TRI-PIN'NATE, a. [L. tres and penna or pinna.]
In botany, a tripannate leaf is a species of supradecompound leaf, when a petiole has bipinnate leaves ranged on each side of it. Martyn.
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