▸ determiner used to refer to every one of two or more people or things, regarded and identified separately:
each battery is in a separate compartment
each one of us was asked what went on.
▸ pronoun every one of two or more people or things, regarded and identified separately:
they each have their own personality
Doug had money from each of his five uncles.
▸ adverb to, for, or by every one of a group (used after a noun or an amount):
the tickets cost £11 each
Paul and Bill have a glass each.