Pronunciation: (u-mas'), [key]
1. to gather for oneself; collect as one's own: to amass a huge amount of money.
2. to collect into a mass or pile; gather: He amassed his papers for his memoirs.
to come together; assemble: crowds amassing for the parade.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.