rectangular search
rectangular search
[rek′taŋ·gyə·lər ′sərch] (navigation)
A search of three legs from a moving point, the first and third legs being perpendicular to the base course of the moving point, and the second leg being parallel to it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.