[gull] n [ME, of Celt origin; akin to W gwylan gull] (15c): any of numerous long-winged web-footed aquatic birds (subfamily Larinae of the family Laridae); esp: a usu. gray and white bird (as of the genus Larus) differing from a tern in usu. larger size, stouter build, thicker somewhat hooked bill, less pointed wings, and short unforked tail
[2]gull vt [obs. gull gullet, fr. ME golle, fr. MF goule] (ca. 1550): to take advantage of (one who is foolish or unwary): deceive syn see dupe [3]gull n (1594): a person who is easily deceived or cheated: dupe