noun

• (anatomy) The region back of the knee joint; the popliteal space; the hock.
• (countable) A thigh and/or buttock of a hog slaughtered for meat; (occasionally) the corresponding cut from some other animal.
  ""I'll have you so your hams will stand out like horse's shanks!" de declared."
• (uncountable) Meat from the thigh and/or buttock of a hog cured for food.
  "a little piece of ham for the cat"
• (Internet, informal, uncommon) Electronic mail that is wanted; email that is not spam or junk mail.

noun

• (acting) An overacting or amateurish performer; an actor with an especially showy or exaggerated style.
  "Writing in The New Yorker in 2005, James Wood praised Mr. McCarthy as “a colossally gifted writer” and “one of the great hams of American prose, who delights in producing a histrionic rhetoric that brilliantly ventriloquizes the King James Bible, Shakespearean and Jacobean tragedy, Melville, Conrad, and Faulkner.”"
• (radio) An amateur radio operator.

verb

• (acting) To overact; to act with exaggerated emotions.
  "Near-synonym: camp it up"

name

• (biblical) A son of Noah and the brother of Japheth and Shem.