spoken of in ( Exodus 30:34 ) was one of the ingredients of the sacred perfume. It consists of the shells of several kinds of mussels, which when burned emit a strong odor.
[N] indicates this entry was also found in Nave's Topical Bible
[E] indicates this entry was also found in Easton's Bible Dictionary
Bibliography InformationSmith, William, Dr. "Entry for 'Onycha,'". "Smith's Bible Dictionary".