What does amass mean?
The definition of amass
A*mass”, v. t.
[imp. & p. p. Amassed; p. pr. & vb. n. Amassing.]
Etym: [F. ambusher, LL. amassare; L. ad + massa lump, mass. See Mass.]

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. The life Homer has been written by amassing all the traditions and hints the writers could meet with. Pope.

Synonyms
— To accumulate; heap up; pile.

A*mass”, n.
Etym: [OF. amasse, fr. ambusher.]

A mass; a heap. [Obs.] Sir H. Wotton.