Every one of the two or more individuals composing a number of objects, considered separately from the rest. It is used either with or without a following noun; as, each of you or each one of you.
source: Webster 1913
adverb
to or from every one of two or more (considered individually)
They received $10 each.
source: WordNet 3.0
adjective satellite
(used of count nouns) every one considered individually