sand box

Also found in: Dictionary, Thesaurus, Wikipedia.
Related to sand box: Google Sandbox


A restricted environment in which certain functions are prohibited. For example, deleting files and modifying system information such as Registry settings and other control panel functions may be prohibited. Sandboxes are used to isolate one running application from another and to run software downloaded from the Internet that is not entirely trusted.

Virtual Machines Are Sandboxes
One of the features of virtualization is the creation of virtual machines, which are independent, isolated sandboxes within the computer (see virtual machine). See Java sandbox and behavior detection.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.

sand jack

A box having tight joints which is filled with dry, clean sand on which rests a tight-fitting plunger; the plunger supports the bottom of posts used in centering; when it is desired to lower the centering, a plug in the bottom of the box is removed, allowing the sand to run out.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Superstructure's doors, Hatch Covers, Air Compressor Shafts, Sand boxes, and in repair of Elastic Coupling, Bogies, rewinding of different types of Motors.