Source : Webster's Revised Unabridged Dictionary (1913)

Beamy \Beam"y\, a.
   1. Emitting beams of light; radiant; shining. ``Beamy gold.''
      --Tickell.

Source : WordNet®

beamy
     adj 1: broad in the beam; "a beamy cargo ship"
     2: radiating or as if radiating light; "the beaming sun"; "the
        effulgent daffodils"; "a radiant sunrise"; "a refulgent
        sunset" [syn: {beaming}, {effulgent}, {radiant}, {refulgent}]