tertial
tertial · tertials
Any flight feather attached to the humerus of a birdAny flight feather attached to the humerus (upper arm) of a bird.
UK/ˈtɜːʃl̩/US/ˈtɝʃl̩/
Meaning
1 sensesAny flight feather attached to the humerus (upper arm) of a bird.
Origin
From Latin tertius (“third”); the tertial feathers are the third row of feathers. By surfaFrom Latin tertius (“third”); the tertial feathers are the third row of feathers. By surface analysis, terti- + -al.
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