All 6 Uses

hydraulic
in
The Hunt for Red October
(Auto-generated)

The captain made his own visual inspection of mechanical, electrical, and hydraulic indicators.†
Chpt 1. *
A petty officer pulled on the hydraulic control levers.†
Chpt 7.
The minute waves of hydraulic pressure were beating against the clapper in the valve.†
Chpt 8.
The canopy went up on emergency hydraulic power.†
Chpt 10.
The oiled metal tube hissed upward on hydraulic pressure.†
Chpt 13.
The lieutenant turned the topmost rank of master switches on the hydraulic controls.†
Chpt 17.

Definitions:

(1) (hydraulic)
relating to liquid -- often describing machinery as moved by pressurized liquid
(2) (meaning too rare to warrant focus)