Tertiate
Ter´ti`ate
v. t. 1. To do or perform for the third time.
2. (Gun.) 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.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.