[tur-shuh l]Ornithology


pertaining to any of a set of flight feathers situated on the basal segment of a bird's wing.


a tertial feather.

Origin of tertial

1830–40; < Latin terti(us) third + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of tertial

British Dictionary definitions for tertial


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