boresight

boresight

[′bȯr‚sīt]

(ordnance)

A telescopic device utilizing a boresighting reticle to align the axis of a weapon with a target; it is attached to the exterior of a weapon barrel or tube by a mount.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

boresight

To align a gun or another device by optical sighting on a target. Boresight angle is the angle through which a seeker can pick up and successfully engage a target.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved