GUL-GUL. A sort of chunam or cement made of pounded sea-shells mixed with oil, which hardens like a stone, and is put over a ship's bottom in India, so that worms cannot penetrate even when the copper is off.
GULL. A well-known sea-bird of the genus Larus; there are many species. Also, a large trout in the north. The name is, moreover, familiarly used for a lout easily deceived or cheated; thus Butler in Hudibras—
"The paltry story is untrue,
And forg'd to cheat such gulls as you."
It is also applied to the washing away of earth by the violent flowing of water; the origin perhaps of the Kentish gull-stream.
GULLET. A small stream in a water-worn course.
GULL-SHARPER. One who preys upon Johnny Raws.
GULLY. The channels worn on the face of mountains by heavy rains. Also, a rivulet which empties itself into the sea.
GULLY SQUALL. Well known off tropical America in the Pacific, particularly abreast of the lakes of Leon, Nicaragua, &c. Monte Desolado gusts have dismantled many stout ships.
GULPIN. An awkward soldier; a weak credulous fellow [from the Gaelic golben, a novice].
GUM. "Shaking the gum out of a sail" is said of the effect of bad weather on new canvas.