volplane

Etymology
From.

Noun

 * 1) A steep, controlled dive, especially by an aircraft with the engine off.

Verb

 * 1) To perform a volplane.
 * 2) * 1916,, letter, in 1991, (editor), Billie: The Nevill Letters, 1914-1916, Julia Macrae, page 143,
 * when well over the boscheBoche [sic] lines & he volplaned home, just skimmed over our & the Bosche trenches, they all fired at him like sin, of course, and landed about 1000 yards back on a hill.
 * 1)  To glide.
 * 1)  To glide.