greyhound

Short definition from Wiktionary

Noun

1. 1
   A lean breed of dog used in hunting and racing.
2. 2
   A highball cocktail of vodka and grapefruit juice.
3. 3
   A swift steamer, especially an ocean steamer.
4. 4
   A bus run by Greyhound Lines.

Verb

1. 1
   To leap rapidly across the surface of the water.