noun: (mining) A gutter or channel for water, hewn out of the bottom of a working drift.
adjective: (UK dialect, West Country) Pronunciation spelling of great. [Relatively large in scale, size, extent, number (i.e. having many parts or members) or duration (i.e. relatively long); very big.]
noun: Acronym of Genetic use restriction technology; a generic term for proposed methods to restrict use of genetically modified plants by activating modified genes only by certain stimuli, particularly to ensure the sterility of any seeds.
