gnat -
any of various small biting flies: midges; biting midges; black flies; sand flies
dipteran,
dipteron,
dipterous insect,
two-winged insects insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing
GNAT is a free-software compiler for the Ada programming language which forms part of the GNU Compiler Collection. It supports all versions of the language, i.e. Ada 2005, Ada 95 and Ada 83; it allows already some constructs of Ada 2012 (i.e.
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gnat A tiny flying insect from one of several species in the Nematocera suborder, including the families Mycetophilidae, Anisopodidae and Sciaridae.