1.used to refer to every one of two or more people or things, regarded and identified separately.
“each battery is in a separate compartment”
synonyms: every one, each one, each and every one, one and all, all, the whole lot
“there are five thousand books and each must be individually cleaned”

1.to, for, or by every one of a group (used after a noun or an amount).
“the cameras cost £35 each”
synonyms: apiece, per person, per capita, to each, for each, from each, individually, respectively; formalseverally