Webster 1913 Edition
frondis, a leafy branch, foliage.]
The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification;
as, the; also, the peculiar leaf of a palm tree.
frondof a fern or of a lichen or seaweed
Webster 1828 Edition
In botany, a term which Linne applies to the peculiar leafing of palms and ferns. He defines it, a kind of stem which has the branch united with the leaf and frequently with the fructification. The term seems to import the union of a leaf and a branch.