Webster's Revised Unabridged Dictionary · 1913

Gull

Gull (gul) , transitive verb

[Probably from gull the bird; but compare OSw. gylla to deceive, Dutch kullen, and English cullibility.]

To deceive; to cheat; to mislead; to trick; to defraud.
The rulgar, gulled into rebellion, armed. — Dryden
I'm not gulling him for the emperor's service. — Coleridge

Gull , noun

1.
A cheating or cheat; trick; fraud. — Shakespeare
2.
One easily cheated; a dupe. — Shakespeare

Gull , noun

[Of Celtic origin; compare Corn. gullan, Welsh gwylan.]

(Zoology) One of many species of long-winged sea birds of the genus Larus and allied genera.

Among the best known American species are the herring gull (Larus argentatus), the great black-backed gull (L. murinus) the laughing gull (L. atricilla), and Bonaparte's gull (L. Philadelphia). The common European gull is Larus canus.

Collocations (1)
Gull teaser (Zoology) , the jager; -- also applied to certain species of terns.