A narrow outlet from which a body of water pours.
A fortress at the end of a defile.
To pour forth from a narrow opening; to emerge from a narrow place like a defile into open country or a wider space.
The tapered part of a windlass barrel or a capstan, upon which the cable surges, or slips.
A deployment in large numbers at short notice.
The maximum amplitude of a vehicle's forward/backward oscillation.
A sudden transient rush, flood or increase.
A momentary reversal of the airflow through the compressor section of a jet engine due to disruption of the airflow entering the engine's air intake, accompanied by loud banging noises, emission of flame, and temporary loss of thrust.
A sudden electrical spike or increase of voltage and current.
The swell or heave of the sea (FM 55-501).
To slack off a line.
To experience a momentary reversal of airflow through the compressor section due to disruption of intake airflow.
To accelerate forwards, particularly suddenly.
To rush, flood, or increase suddenly.