The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for polar star
Historical Examples of polar star
I soon recognised that old staunch and immovable friend of all travellers on the underground railroad, the polar-star.The Iron Furnace
John H. Aughey