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Webster 1913 Edition


Tertial

Ter′tial

,
Adj.
&
Noun.
[From L.
tertius
third, the tertial feathers being feathers of the third row. See
Tierce
.]
(Zool.)
Same as
Tertiary
.

Definition 2024


tertial

tertial

English

Noun

tertial (plural tertials)

  1. (ornithology) Any flight feather attached to the humerus (upper arm) of a bird.