gōˈmänch(ē)ə noun
Usage: capitalized
Etymology: New Latin, from Maurice Gomont, 19th century French botanist + New Latin -ia
: a genus of branching green algae (family Trentepohliaceae) including an alga ( G. polyrhiza ) that bores into marine mussel shells or dead algae and one ( G. lignicola ) that penetrates wood