Etymology 1

Noun

1. a trench, ravine or narrow channel which was worn by water flow, especially on a hillside.
2. a small valley
3. (United Kingdom) A drop kerb
4. A road drain
5. A fielding position on the off side about 30 degrees behind square, between the slips and point; a fielder in such a position

Noun

1. A large knife.
   • 1883, Robert Louis Stevenson, Treasure Island, page 139:

     With that I made my mind up, took out my gully, opened it with my teeth, and cut one strand after another...

Noun

1. large knife

   God than he lewch and owre the dyk lap, / And owt of his scheith his gully owtgatt. (The Bannatyne Manuscript)