3. (Zoöl.)
Defn: One of the quill feathers which are borne upon the basal joint of the wing of a bird. See Illust. of Bird.
TERTIATE Ter"ti*ate, v. t. Etym: [L. tertiatus, p.p. of tertiare to do for the third time, fr. tertius the third.]
1. To do or perform for the third time. [Obs. & R.] Johnson.
2. (Gun.)
Defn: To examine, as the thickness of the metal at the muzzle of a gun; or, in general, to examine the thickness of, as ordnance, in order to ascertain its strength.
TERTIUM QUID
Ter"ti*um quid. [L.]
Defn: A third somewhat; something mediating, or regarded as being, between two diverse or incompatible substances, natures, or positions.
TERUTERO
Ter`u*ter"o, n. Etym: [Probably so named from its city.] (Zoöl.)
Defn: The South American lapwing (Vanellus Cayennensis). Its wings are furnished with short spurs. Called also Cayenne lapwing.