the four chief directions of the compass; the north, south, east, and west points.
Origin of cardinal points
First recorded in 1540–50
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British Dictionary definitions for cardinal point
the four main points of the compass: north, south, east, and west
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for cardinal point
One of four points in the pelvic inlet toward which the occiput of the fetus is usually directed in cases of head presentation.
Any of six reference points in the eye: the anterior focal point, posterior focal point, two principal points, and two nodal points.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for cardinal point
One of the four principal directions on a compass (north, south, east, or west).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.