Meaning of TEN in English

ten /ten/ BrE AmE number , noun

[ Language: Old English ; Origin: tien ]

1 . the number 10:

Snow had been falling steadily for ten days.

I need to be home by ten (=ten o'clock) .

At the time, she was about ten (=ten years old) .

2 . ten to one informal used to say that something is very likely:

Ten to one he’ll have forgotten all about it tomorrow.

3 . be ten a penny British English informal to be very common and therefore not special or unusual ⇨ be a dime a dozen at ↑ dime (2)

4 . (get) ten out of ten (for something) British English used in schools to give a perfect mark, or humorously to praise someone:

You get ten out of ten for effort, Simon.

5 . [countable] a piece of paper money that is worth ten dollars or ten pounds:

I reached inside my purse and handed him a ten.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.