tertial

[tur-shuh l]Ornithology

adjective

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

noun

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. 2018

Examples from the Web for tertial

Historical Examples of tertial

Tertial, ter′shal, adj. of the third rank among the flight-feathers of a bird's wing.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)
Various

British Dictionary definitions for tertial

tertial

adjective, noun

another word for tertiary (def. 5), tertiary (def. 6)

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