selector

noun

1. 1

   Someone or something which selects or chooses.

2. 2

   An administrator responsible for selecting which players will play for a side.

3. 3

   A matching expression in a stylesheet determining which elements in the markup are affected by a style.

4. 4

   A pointer to a structure describing a segment of memory.

5. 5

   A text string transmitted to a Gopher server, identifying the resource to be retrieved.

6. 6

   A disc jockey.