tertial
Definition of tertial
1 : of, relating to, or constituting the flight feathers borne on the basal joint of a bird's wing — compare primary 2c
2 : of, relating to, or constituting some of the innermost secondaries when different from the others or the scapular feathers —not used technically
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Origin and Etymology of tertial
Latin tertius third + English -al; from the fact that tertials form the third row of feathers
tertial
Definition of tertial
-s
: a tertial feather
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