NOUN (1)

1. the sound of casual playing on a musical instrument;
- Example: "he enjoyed hearing the tootles of their horns as the musicians warmed up"


VERB (1)

1. play (a musical instrument) casually;
- Example: "the saxophone player was tootling a sad melody"

The Collaborative International Dictionary of English v.0.48:

Tootle \Too"tle\, v. i. [imp. & p. p. Tootled; p. pr. & vb. n.
   Tootling.] [Freq. of toot.]
   To toot gently, repeatedly, or continuously, on a wind
   instrument, as a flute; also, to make a similar noise by any
   means. "The tootling robin." --John Clare.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

tootle
    n 1: the sound of casual playing on a musical instrument; "he
         enjoyed hearing the tootles of their horns as the musicians
         warmed up"
    v 1: play (a musical instrument) casually; "the saxophone player
         was tootling a sad melody"

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "tootle":
   bagpipe, bay, beep, bell, blare, blast, blat, blow, blow a horn,
   blow the horn, bray, bugle, carillon, clarion, doodle,
   double-tongue, fanfare, fife, flourish of trumpets, flute, honk,
   lip, peal, pipe, shriek, sound, sound a tattoo, sound taps, squeal,
   tantara, tantarara, taps, tarantara, tattoo, tongue, toot,
   triple-tongue, trumpet, trumpet blast, trumpet call, tweedle,
   whistle, wind, wind the horn