Source : Webster's Revised Unabridged Dictionary (1913)

Gamma \Gam"ma\, n.
   The third letter ([Gamma], [gamma] = Eng. G) of the Greek
   alphabet.

Source : WordNet®

gamma
     n 1: the 3rd letter of the Greek alphabet
     2: a unit of magnetic field strength equal to
        one-hundred-thousandth of an oersted
     3: Portuguese navigator who led an expedition around the Cape
        of Good Hope in 1497; he sighted and named Natal on
        Christmas Day before crossing the Indian Ocean (1469-1524)
        [syn: {da Gamma}, {Vasco da Gamma}]

Source : Free On-Line Dictionary of Computing

GAMMA
     
         1. A language for matrices and generation of
        mathematical programming reports.
     
        ["GAMMA 3.3 for MPS/MPSX, IBM System:/360", Bonnor & Moore
        Assocs (Mar 1975)].
     
        2. A high-level parallel language.
     
        [Research Directions in High-Level Parallel Languages,
        LeMetayer ed, Springer 1992].
     
        (1994-11-29)