th

from WordNet (r) 3.0 (2006)

Th
    n 1: the fifth day of the week; the fourth working day [syn:
         {Thursday}, {Th}]
    2: a soft silvery-white tetravalent radioactive metallic
       element; isotope 232 is used as a power source in nuclear
       reactors; occurs in thorite and in monazite sands [syn:
       {thorium}, {Th}, {atomic number 90}]

from The Collaborative International Dictionary of English v.0.48

Th \Th\
   In Old English, the article the, when the following word
   began with a vowel, was often written with elision as if a
   part of the word. Thus in Chaucer, the forms thabsence,
   tharray, thegle, thend, thingot, etc., are found for the
   absence, the array, the eagle, the end, etc.
   [1913 Webster] Thack

from The Free On-line Dictionary of Computing (8 July 2008)

th

   <networking> The {country code} for Thailand.

   (1999-01-27)

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