amphidisk

noun

am·​phi·​disk

variants or amphidisc

ˈamfəˌdisk

plural -s

: a spicule having a stellate disk at each end found in the reproductive bodies of freshwater sponges of the genus Spongilla and in some of the Hyalospongiae

Word History

Etymology

amphi- + disk, disc

First Known Use

1856, in the meaning defined above

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