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bipectinate

or bi·pec·ti·nat·ed

[bahy-pek-tuh-neyt or bahy-pek-tuh-ney-tid]

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adjective Zoology, Botany.

having both margins toothed like a comb, as the antennae of certain moths.

Origin of bipectinate

First recorded in 1830–40; bi-¹ + pectinate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bipectinate

Bipectinate: antennae having comb-like teeth or processes on Beach side of each joint.
Explanation of Terms Used in Entomology|John. B. Smith
Bipectinate with the branches on each side alternately long and short.
An Introduction to Entomology: Vol. IV (of 4)|William Kirby
Spire of shell much reduced; two bipectinate ctenidia, the right being the smaller; no operculum.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5|Various