From The Collaborative International Dictionary of English v.0.48:
Gull \Gull\ (g[u^]l), v. t. [imp. & p. p. Gulled (g[u^]ld); p. pr. & vb. n. Gulling.] [Prob. fr. gull the bird; but cf. OSw. gylla to deceive, D. kullen, and E. cullibility.] To deceive; to cheat; to mislead; to trick; to defraud. [1913 Webster]
The rulgar, gulled into rebellion, armed. --Dryden. [1913 Webster]
I'm not gulling him for the emperor's service. --Coleridge. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Gull \Gull\, n. 1. A cheating or cheat; trick; fraud. --Shak. [1913 Webster]
2. One easily cheated; a dupe. --Shak. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Gull \Gull\, n. [Of Celtic origin; cf. Corn. gullan, W. gwylan.] (Zool.) One of many species of long-winged sea birds of the genus Larus and allied genera. [1913 Webster]
Note: 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. [1913 Webster]
Gull teaser (Zool.), the jager; -- also applied to certain species of terns. [1913 Webster]