tirralirra

from The Collaborative International Dictionary of English v.0.48

Tirralirra \Tir"ra*lir`ra\, n.
   A verbal imitation of a musical sound, as of the note of a
   lark or a horn.
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         The lark, that tirra lyra chants.        --Shak.
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         "Tirralira, " by the river,
         Sang Sir Lancelot.                       --Tennyson.
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