1.DeterminerAll; every; qualifying a singular noun, indicating all examples of the thing so named seen as individual or separate items (compare every).
"Make sure you wash each bowl well.; The sun comes up each morning and sets each night."
2.AdverbFor one; apiece; per.
"The apples cost 50 cents each."
3.AdverbIndividually; separately; used in a sentence with a plural subject to indicate that the action or state described by the verb applies to all members of the described group individually, rather than collectively to the entire group.
"We ordered half a chicken each, but we each got a whole one.; You are each right in a different way.; There are three of us and we have five dollars each, so that means we've got 15 dollars.; The apartments each boast central heating."
4.PronounEvery one/thing individually or one by one.
"I'm going to give each of you a chance to win.; From each according to his ability, to each according to his needs."
5.NounAn individual item: the least quantitative unit in a grouping.