Meaning of SLEEVE in English
The ~s of a coat, shirt, or other item of clothing are the parts that cover your arms.
His ~s were rolled up to his elbows...
He wore a black band on the left ~ of his jacket.
A record ~ is the stiff envelope in which a record is kept. (mainly BRIT; in AM, usually use jacket )
There are to be no pictures of him on the ~ of the new record.
N-COUNT: usu N of n, n N
If you have something up your ~, you have an idea or plan which you have not told anyone about. You can also say that someone has an ace, card, or trick up their ~.
He wondered what Shearson had up his ~...
PHRASE: N inflects
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012