Bible Dictionaries
Onidium

Webster's Dictionary

(1):

(n.) A special groove or furrow at one or both angles of the mouth of many Anthozoa.

(2):

(n.) A component cell of the yellowish green layer in certain lichens.

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