noun: (medicine, dated) drop (as a measurement in medical prescriptions)
noun: (fishing) Initialism of giant trevally. [Caranx ignobilis]
noun: (fishing) Initialism of golden trevally.
noun: (motorsports) Initialism of grand tourer. [A kind of sports car designed for high speeds and long distances, combining performance and luxury attributes.]
noun: (endocrinology) Initialism of gain of thyroid.
noun: (music, Japan) Abbreviation of guitar (of a rock band) [(music) A stringed musical instrument, of European origin, usually with a fretted fingerboard and six strings, played with the fingers or a plectrum (guitar pick).]