Resembling a beam in size and weight; massy: as, “his … beamy spear,”
Having horns or antlers: as, “beamy stags,”
Nautical, having much beam or breadth; broad in the beam: said of a ship whose beam is more than one tenth of its length.
Emitting rays of light; radiant; shining.
Figuratively, radiant; joyous; gladsome.