[1] : The Collaborative International Dictionary of English v.0.48

thud \thud\ thu^d, n. cf. as. thorn=oden a whirlwind,
   violent wind, or e. thump.
   a dull sound without resonance, like that produced by
   striking with, or striking against, some comparatively soft
   substance; also, the stroke or blow producing such sound; as,
   the thrud of a cannon ball striking the earth.
   1913 webster

         at every new thud of the blast, a sob arose. --jeffrey.
   1913 webster

         at intervals there came some tremendous thud on the
         side of the steamer.                     --c. mackay.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

thud \thud\ thu^d, v. i.  t.
   to make, or strike so as to make, a dull sound, or thud.

         hardly the softest thudding of velvety pads. --a. c.
                                                  doyle.

         the waves break into spray, dash and rumble and thud
         below your feet.                         --h. f. brown.
   webster 1913 suppl.
   1913 webster

[3] : WordNet (r) 2.0

thud
     n : a heavy dull sound as made by impact of heavy objects
         syn: thump, thumping, clump, clunk
     v 1: make a dull sound; "the knocker thudded against the front
          door" syn: thump
     2: strike with a dull sound; "bullets were thudding against the
        wall"
     3: make a noise typical of an engine lacking lubricants syn: crump,
         scrunch
     also: thudding, thudded
see also:
thump thumping clump clunk crump scrunch 
thudding thudded 

[4] : Moby Thesaurus II by Grady Ward, 1.0

32 moby thesaurus words for "thud":
   beat, bump, chink, click, clink, clop, clump, clunk, crump,
   dull thud, flick, flump, hit, pad, pat, patter, pitapat,
   pitter-patter, plump, plunk, pop, pound, rap, smite, strike, tap,
   thump, tick, tinkle, tunk, wham, whomp

[5] : Jargon File (4.3.1, 29 Jun 2001)

thud n. 1. yet another metasyntactic variable see foo. it is
   reported that at cmu from the mid-1970s the canonical series of these
   was `foo', `bar', `thud', `blat'. 2. rare term for the hash character,
   `' ascii 0100011. see ascii for other synonyms.


see also:
metasyntactic variable foo ascii 

[6] : The Free On-line Dictionary of Computing (27 SEP 03)

thud
     
        1. yet another metasyntactic variable see foo.  it is
        reported that at cmu from the mid-1970s the canonical series
        of these was "foo", "bar", "thud", "blat".
     
        2. rare term for the hash character, "" ascii 35.  see
        ascii for other synonyms.
     
        jargon file
     
     
see also:
metasyntactic variable foo cmu ascii jargon file 

Thud >> T Words
Thud, definition of term: Thud
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