Frond \Frond\, n. [L. frons, frondis, a leafy branch, foliage.]

(Bot.) The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification; as, the frond of a fern or of a lichen or seaweed; also, the peculiar leaf of a palm tree.

Source: Webster's Revised Unabridged Dictionary (1913)