gull1
n.
a long-winged, web-footed seabird typically having white plumage with a grey or black mantle.
[Family Laridae: many species.]
Etymology
ME: of Celtic origin; rel. to Welsh gwylan and Breton gwelan.
gull2
v.
fool or deceive (someone).
n.
a person who is fooled or deceived.
Etymology
C16: of unknown origin.