sandboxer

English

Etymology

From sandbox +‎ -er.

Noun

sandboxer (plural sandboxers)

1. One who plays in a sandbox.
   • 1956, Lois Barclay Murphy, Personality in Young Children: Colin, a normal child, page 135:

     He had been "probably the most avid sandboxer . . . and mudder too." He smacked his lips over food and dramatic play often contained many references to food; he chewed gum ardently.

2. (computing) A process that sandboxes others.