/terr"sheuhl/ , Ornith.
adj.
1. pertaining to any of a set of flight feathers situated on the basal segment of a bird's wing.
n.
2. a tertial feather.
[ 1830-40; terti ( us ) THIRD + -AL 1 ]
/terr"sheuhl/ , Ornith.
adj.
1. pertaining to any of a set of flight feathers situated on the basal segment of a bird's wing.
n.
2. a tertial feather.
[ 1830-40; terti ( us ) THIRD + -AL 1 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012