power-dive
    v 1: make a power dive; "The airplane power-dived"

power-dive \power-dive\, power dive \power dive\n.
   An airplane maneuver in which the pilot deads downward at a
   steep angle while the engines are operating at or near full
   power; -- a method to descend rapidly.
   [WordNet 1.5] power dive

power-dive \power-dive\, power dive \power dive\v. i.
   To make a power dive, as of an airplane.
   [WordNet 1.5] power dive

power-dive \power-dive\, power dive \power dive\v. t.
   To cause (an airplane) to make a power dive; as, he
   power-dived his plane to escape the attackers.
   [WordNet 1.5]