Source : Webster's Revised Unabridged Dictionary (1913)

Gam \Gam\, n. [Orig. uncert.] (Naut.)
      (a) A herd, or school, of whales.
      (b) A visit between whalers at sea; a holding of social
          intercourse between those on different vessels at sea,
          or (Local U. S.) between persons ashore.

Gam \Gam\, v. i. [imp. & p. p. {Gammed}; p. pr. & vb. n.
   {Gam"ming}.] (Naut.)
      (a) To gather in a gam; -- said of whales.
      (b) To engage in a gam, or (Local, U. S.) in social
          intercourse anywhere.

Gam \Gam\, v. t. (Naut.)
   To have a gam with; to pay a visit to, esp. among whalers at
   sea.