ˈhȯ(r)nēˈäfəˌtän noun
Usage: capitalized
Etymology: New Latin, from horneo- (from English horn ) + phyton
: a genus of Devonian fossil plants (family Rhyniaceae) similar to those of the genus Rhynia but smaller and lacking vascular tissue in the rhizome and considered to be one of the earliest forms of vascular land plants