determiner
1 used with singular nouns to refer to all the members of a group of things or people:
She knows every student in the school. * I could hear every word they said. * We enjoyed every minute of our stay. * Every day seemed the same to him. * Every single time he calls, I'm out. * They were watching her every movement. * Every one of their CDs has been a hit. -< EACH
2 all possible:
We wish you every success. * He had every reason to be angry.
3 used to say how often sth happens or is done:
The buses go every 10 minutes. * We had to stop every few miles. * One in every three marriages ends in divorce. * He has every third day off (= he works for two days then has one day off then works for two days and so on). * We see each other every now and again. * Every now and then he regretted his decision.
IDIOMS
every other each ALTERNATE one (= the first, third, fifth, etc. one, but not the second, fourth, sixth, etc.):
They visit us every other week.
