Bible Dictionaries
Onycha

Webster's Dictionary

(1):

(n.) An ingredient of the Mosaic incense, probably the operculum of some kind of strombus.

(2):

(n.) The precious stone called onyx.

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