Frequency: The word is one of the 3000 most common words in English.
1.
You use ~ followed by a number to say how old someone is.
Alan has two children, ~ eleven and nine.
ADJ: usu n ADJ num
2.
Aged means very old.
She has an ~ parent who’s capable of being very difficult.
ADJ: ADJ n
3.
You can refer to all people who are very old as the ~.
...people who work with the ~.
N-PLURAL: the N
4.
see also middle-~