Source : Webster's Revised Unabridged Dictionary (1913)

Halteres \Hal*te"res\, n. pl. [NL., fr. Gr. ? weights used in
   jumping, fr. ? to leap.] (Zo["o]l.)
   Balancers; the rudimentary hind wings of Diptera.

Source : WordNet®

halter
     n 1: rope or canvas headgear for a horse, with a rope for leading
          [syn: {hackamore}]
     2: a rope that is used by a hangman to execute persons who have
        been condemned to death by hanging [syn: {hangman's rope},
         {hangman's halter}, {hemp}, {hempen necktie}]
     3: a woman's top that fastens behind the back and neck leaving
        the back and arms uncovered
     4: either of the club-like rudimentary hind wings of dipterous
        insects; used for maintaining equilibrium during flight
        [syn: {haltere}, {balancer}]
     v 1: hang with a halter
     2: prevent the progress or free movement of; "He was hampered
        in his efforts by the bad weather"; "the imperilist nation
        wanted to strangle the free trade between the two small
        countries" [syn: {hamper}, {cramp}, {strangle}]
     [also: {halteres} (pl)]

halteres
     See {halter}