Bible Dictionaries
Amphidisc

Webster's Dictionary

(n.) A peculiar small siliceous spicule having a denticulated wheel at each end; - found in freshwater sponges.

Bibliography Information
Webster, Noah. Entry for 'Amphidisc'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/amphidisc.html. 1828.