In case you didn't know what AS was referring to:
Webster's 1913 Dictionary

Definition: \Gam"mon\ (-m[u^]n), n. [OF. gambon, F. jambon, fr. OF.
gambe leg, F. jambe. See {Gambol}, n., and cf. {Ham}.]
The buttock or thigh of a hog, salted and smoked or dried;
the lower end of a flitch. --Goldsmith.