a. & a. pr  1.  All the parts which compose a whole collection or aggregate number, considered in their individuality, all taken separately one by one, out of an indefinite number.  
2.  Every one. Cf. Each.

Adj.  1.  every  each and all of a series of entities or intervals as specified; "every third seat"; "every two hours" 
2.  every  (used of count nouns) each and all of the members of a group considered singly and without exception; "every person is mortal"; "every party is welcome"; "had every hope of success"; "every chance of winning" 