\Beam"y\, a. 1. Emitting beams of light; radiant; shining. ``Beamy gold.'' --Tickell. 2. Resembling a beam in size and weight; massy. His double-biting ax, and beamy spear. --Dryden. 3. Having horns, or antlers. Beamy stags in toils engage. --Dryden.