D defs.my
Entry 2 senses Webster, 1913

massive

/(mȧs"ĭv)/ · mass·ive · IPA /ˈmæs.ɪv/
01 a. Forming, or consisting of, a large mass; compacted; weighty; heavy; massy.
  1. 1.
    Forming, or consisting of, a large mass; compacted; weighty; heavy; massy.
  2. 2.
    In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive.(Min.)
Phrases & compounds
Massive rock — a compact crystalline rock not distinctly schistose, as granite; also, with some authors, an eruptive rock.