ETYM Of Celtic origin; cf. Corn. gullan, W. gwylan.
Mostly white aquatic bird having long pointed wings and short legs; SYN. seagull, sea gull.
Seabird of the family Laridae, especially the genus Larus. Gulls are usually 25–75 cm/10–30 in long, white with gray or black on the back and wings, and have large beaks.
The common black-headed gull L. ridibundus, common on both sides of the Atlantic, is gray and white with (in summer) a dark brown head and a red beak; it breeds in large colonies on wetlands, making a nest of dead rushes and laying, on average, three eggs. The great black-headed gull L. ichthyaetus is native to Asia. The herring gull L. argentatus, common in the northern hemisphere, has white and pearl-gray plumage and a yellow beak. The oceanic great black-backed gull L. marinus, found in the Atlantic, is over 75cm/2.5 ft long.

To fool or hoax; SYN. dupe, slang, befool, cod, fool, put on, take in, put one over, put one across.