[ 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.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following bird names traces its immediate origin to Portuguese?

Origin of tertial

1830–40; < Latin terti(us) third + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for tertial

British Dictionary definitions for tertial

/ (ˈtɜːʃəl) /

adjective, noun

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