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

every one,each one,each and every one,one and all,all,the whole lot

pronoun

every one of two or more people or things, regarded and identified separately.

they each have their own personality

adverb

to, for, or by every one of a group (used after a noun or an amount).

the tickets cost £11 each

apiece,per person,per capita,to each,for each,from each,individually,respectively,severally