Meaning

• A sudden transient rush, flood or increase.

  "He felt a surge of excitement."

• The maximum amplitude of a vehicle's forward/backward oscillation

• A sudden electrical spike or increase of voltage and current.

  "A power surge at that generator created a blackout across the whole district."

• The swell or heave of the sea. (FM 55-501).

• A spring; a fountain.

• The tapered part of a windlass barrel or a capstan, upon which the cable surges, or slips.

Meaning

• To rush, flood, or increase suddenly.

  "Toaster sales surged last year."

• To accelerate forwards, particularly suddenly.

  "A ship surges forwards, sways sideways and heaves up."

• To slack off a line.