Emitting beams of light; radiant; shining.

radiating or as if radiating light; "the beaming sun"; "the effulgent daffodils"; "a radiant sunrise"; "a refulgent sunset"

Having horns, or antlers.

Resembling a beam in size and weight; massy.

broad in the beam; "a beamy cargo ship"

Wide, a wide boat is a beamy boat