Definition of gunter in English:

gunter

noun

Sailing
  • 1A fore-and-aft sail whose spar is nearly vertical and acts as a mast extension.

    1. 1.1historical A type of rig in which the topmast slides up and down the lower mast on rings.
      • ‘It was called the gunter by seamen and was an important step in the development of the slide rule.’
      • ‘A spar pivoted round till it is nearly parallel to the mast [think: like a paper fan], creating a triangular sail, is called a gunter rig.’

Origin

Late 18th century: named after E. Gunter(see Gunter's chain).

Pronunciation:

gunter

/ˈɡən(t)ər/