Meanings

collection of works (in library cataloging)

collection vehicle (garbage, etc.)

densely inhabited district

mass killing

mass grave

acceptance limits

mass vaccination

mass rally

hunter-gatherer people

meeting at the destination (as opposed to travelling there as a group)

right to editorial freedom

morning assembly

collection (of post from a mailbox, etc.)

collecting

collection

compilation (of writings)

group photograph

army group

sales agent (esp. in life insurance)

agglomerate (rock)