from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or designating the third row of flight feathers on the basal section of a bird's wing.
- n. A tertial feather.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any flight feather attached to the humerus (upper arm) of a bird.
from the GNU version of the Collaborative International Dictionary of English
- Same as tertiary.
from The Century Dictionary and Cyclopedia
- Of the third rank or row among the flight-feathers of a bird's wing; tertiary, as a quill-feather.
- n. A tertiary flight-feather; one of the pennæ, or large feathers, of a bird's wing of the third set, which grow on the elbow or upper arm; one of the tertiaries.
Latin tertius, third; see tertiary + -al1.(American Heritage® Dictionary of the English Language, Fourth Edition)
Sight read not only tertial music but also try reading more contemporary music.
Still some cherries on my tertial stand, although the vireos were working on them just above my head.