Hypertext Webster Gateway: "Chumming"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Chum \Chum\, v. i. [imp. p. p. {Chummed}; p. pr. & vb. n.
{Chumming}.]
To occupy a chamber with another; as, to chum together at
college. [U. S.]
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