[ tur-shuh l ]
/ ˈtɜr ʃəl /
pertaining to any of a set of flight feathers situated on the basal segment of a bird's wing.
a tertial feather.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for tertial
Tertial, ter′shal, adj. of the third rank among the flight-feathers of a bird's wing.
British Dictionary definitions for tertial
Word Origin for tertial
C19: from Latin tertius third, from ter thrice, from trēs three
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