a. [ Compar. Massier superl. Massiest. ] Compacted into, or consisting of, a mass; having bulk and weight or substance; ponderous; bulky and heavy; weighty; heavy; as, a massy shield; a massy rock. [ 1913 Webster ]
Your swords are now too massy for your strengths, And will not be uplifted. Shak. [ 1913 Webster ]