tri·​pin·​nate (ˌ)trī-ˈpi-ˌnāt How to pronounce tripinnate (audio)
: bipinnate with each division pinnate
tripinnately adverb

Word History

First Known Use

circa 1760, in the meaning defined above

Time Traveler
The first known use of tripinnate was circa 1760

Dictionary Entries Near tripinnate

Cite this Entry

“Tripinnate.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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