Heraldry walking with the head forward and the forepaw farther from the viewer raised
⇒ a lion passant
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'passant'
ME (only in sense “excelling, passing”) < OFr < prp. of passer, pass2