The Collaborative International Dictionary of English v.0.48:

Hawm \Hawm\ (h[add]m), n.
   See Haulm, straw.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hawm \Hawm\, v. i. [Etymol. uncertain.]
   To lounge; to loiter. [Prov. Eng.] --Tennyson.
   [1913 Webster]