Noah Webster's Dictionary 1. (v. t.) To collect into a mass or heap; to gather a great quantity of; to accumulate; as, to amass a treasure or a fortune; to amass words or phrases. 2. (n.) A mass; a heap.

Multi-Version Concordance Amass (1 Occurrence) Matthew 6:20 But amass wealth for yourselves in Heaven, where neither the moth nor wear-and-tear destroys, and where thieves do not break in and steal. (WEY)