πλῆθος

Etymology
From, the intransitive counterpart of.

Noun

 * 1) a large number of things, a great number
 * 2) majority, main portion
 * 3) something of large size or magnitude
 * 4) specifically: a large group of people: crowd, multitude, throng, mob
 * 5) populace, people, general public
 * 6) magnitude, size, extent
 * 7) amount, quantity
 * 8)  length
 * 1)  length
 * 1)  length

Usage notes
Several of the senses of this noun mirror those of the adjective.