Merriam-Webster Online Dictionary
each (adjective) being one of two or more distinct individuals having a similar relation and often constituting an aggregate
each one - to each his own
to or for each - apiece cost a dollar each
Merriam-Webster Online Thesaurus
each (adjective)being one of a group
SYNONIMS:
any, everyRELATED WORDS:
all; several, various; particular; respective, specific; eitherNEAR ANTONYMS:
neitherfor each one
SYNONIMS:
all, each, per, per capitaRELATED WORDS:
apart, discretely, independently, individually, respectively, separately, singlyNEAR ANTONYMS:
aggregately, altogether, collectively, together