birotulate

noun

bi·​rot·​u·​late

like adjective

variants or birotule

ˈbīrə‧ˌtyül,

-rō‧ˌ-

plural -s

: a sponge spicule having two wheel-shaped ends

Word History

Etymology

birotulate from birotulate, adjective; birotule probably back-formation from birotulate, adjective

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