Bible Dictionaries
Heteracanth

Webster's Dictionary

(a.) Having the spines of the dorsal fin unsymmetrical, or thickened alternately on the right and left sides.

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