AM'ASS, verb transitive [Latin massa, a heap or lump; Gr. See mass.]

1. To collect into a heap; to gather a great quantity; to accumulate; as, to amass a treasure.

2. To collect in great numbers; to add many things together; as, to amass words or phrases.

AM'ASS, noun An assemblage, heap or accumulation. [This is superseded by Mass.]