gam·mon 1 (gām'ən) n. A victory in backgammon reached before the loser has succeeded in removing a single piece. tr.v.
gam·moned, gam·mon·ing, gam·mons To defeat in backgammon by scoring a gammon.
[Probably from Middle English gamen, gammen, game, from Old English gamen.]
v.
tr. To mislead by deceptive talk. v.
intr. To talk misleadingly or deceptively.
[Origin unknown.] gam'mon·er n.
gam·mon 3 (gām'ən) n.
A cured or smoked ham.
The lower part of a side of bacon.
[Middle English gambon, from Old North French, from gambe, leg, from Late Latin gamba, hoof; see gambol.]
gam·mon 4 (gām'ən) tr.v.
gam·moned, gam·mon·ing, gam·mons To fasten (a bowsprit) to the stem of a ship.
[Origin unknown.]
Shel·ta (shěl'tə) n. A secret jargon used by traditionally itinerant people in Great Britain and Ireland, based on systematic inversion or alteration of the initial consonants of Gaelic words. Also called Cant, Gammon.
[From Shelta Sheldrū, perhaps alteration of Irish Gaelic béarla, language, English, from Old Irish bélrae, language, from bél, mouth.]