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Related to tripinnate: bipinnate


Having bipinnate leaflets or lobes that are themselves pinnately divided, as in the fronds of certain ferns.

tri·pin′nate′ly adv.


(traɪˈpɪnɪt; -eɪt)
(Botany) (of a bipinnate leaf) having the pinnules themselves pinnate
triˈpinnately adv


(traɪˈpɪn eɪt)

also tri•pin′nat•ed,

bipinnate, as a leaf, with the divisions also pinnate.
tri•pin′nate•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.tripinnate - (of a leaf shape) thrice pinnate
compound - composed of more than one part; "compound leaves are composed of several lobes; "compound flower heads"
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References in periodicals archive ?
We saw plenty of Tillandsia truncata, a large tank Till with a meter long tripinnate pink inflorescence that arched out sideways.
The first form, the normal leaf, consists of true leaves that are bipinnate or occasionally tripinnate.
1) the frond is bipinnate which differs from all other dichotomizing medullosalean fronds that are, by contrast, tripinnate