Any distinguishing mark, such as a tattoo, that serves to identify a member of a particular gang

(idiomatic) Something that is symbolic of an era.

The symbol $, used to indicate a price in dollars.

A symbol (=) used in mathematics to indicate that two values are the same, and elsewhere in various other ways, such as (formerly) to separate the signature from the content of a telegram.

(mathematics) Any symbol (in particular × or · or *) used to denote the operation of multiplication.

(mathematics) Any symbol (in particular ÷ or / ) used to denote the operation of division.

(arithmetic) The symbol + used to denote the operation of addition, to indicate that a number is positive, and so on.

(arithmetic) The symbol −, used to denote the operation of subtraction or to indicate that a number is negative.

The symbol £, representing the pound sterling. / (US) The symbol # on a telephone / (US) The symbol #, denoting weight in pounds.

Any of 20 glyphs used, along with a number from 1 to 13, in traditional Mesoamerican calendars to identify their 260 days.