Bible Dictionaries
Melanosperm

Webster's Dictionary

(n.) An alga of any kind that produces blackish spores, or seed dust. The melanosperms include the rockweeds and all kinds of kelp.

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