tertial

American  

[tur-shuhl] / ˈtɜr ʃəl /

adjective

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

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noun

1. a tertial feather.

tertial British  

/ ˈtɜːʃəl /

adjective

1. another word for tertiary tertiary

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Etymology

Origin of tertial

1830–40; < Latin terti ( us ) third + -al ¹

Example Sentences

Tertial, ter′shal, adj. of the third rank among the flight-feathers of a bird's wing.—n. a tertiary flight-feather.

From Project Gutenberg

Head, throat, bill and legs, black; sides of the neck near the wing, tertial wing-coverts and rump, white; breast bright chestnut-red, shaded into yellowish white towards the tail; feathers of the back, wings and tail, black, with reddish brown edges.

From Project Gutenberg