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

upper \up"per\, a.; comp. of up.
   being further up, literally or figuratively; higher in place,
   position, rank, dignity, or the like; superior; as, the upper
   lip; the upper side of a thing; the upper house of a
   legislature.
   1913 webster

   the upper hand, the superiority; the advantage. see to
      have the upper hand, under hand. --jowett thucyd..

   upper bench eng. hist., the name of the highest court of
      common law formerly king's bench during the
      commonwealth.

   upper case, the top one of a pair of compositor's cases.
      see the note under 1st case, n., 3.

   upper covert zool., one of the coverts situated above the
      bases of the tail quills.

   upper deck naut., the topmost deck of any vessel; the
      spar deck.

   upper leather, the leather for the vamps and quarters of
      shoes.

   upper strake naut., the strake next to the deck, usually
      of hard wood, and heavier than the other strakes.

   upper ten thousand, or abbreviated upper ten, the ten
      thousand, more or less, who are highest in position or
      wealth; the upper class; the aristocracy. colloq.

   upper topsail naut., the upper half of a double topsail.
      

   upper works naut., all those parts of the hull of a
      vessel that are properly above water.

   upper world.
   a the atmosphere.
   b heaven.
   c this world; the earth; -- in distinction from the
       underworld.
       1913 webster
see also:
up the upper hand to have the upper hand hand upper bench upper case 
case upper covert upper deck upper leather upper strake 
upper ten thousand upper ten upper topsail upper works upper world 
underworld 

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

case \case\ k=as, n. of. casse, f. caisse cf. it. cassa,
   fr. l. capsa chest, box, case, fr. capere to take, hold. see
   capacious, and cf. 4th chase, cash, enchase, 3d
   sash.
   1913 webster
   1. a box, sheath, or covering; as, a case for holding goods;
      a case for spectacles; the case of a watch; the case
      capsule of a cartridge; a case cover for a book.
      1913 webster

   2. a box and its contents; the quantity contained in a box;
      as, a case of goods; a case of instruments.
      1913 webster

   3. print. a shallow tray divided into compartments or
      "boxes" for holding type.
      1913 webster

   note: cases for type are usually arranged in sets of two,
         called respectively the upper and the lower case. the
         upper case contains capitals, small capitals,
         accented and marked letters, fractions, and marks of
         reference: the lower case contains the small letters,
         figures, marks of punctuation, quadrats, and spaces.
         1913 webster

   4. an inclosing frame; a casing; as, a door case; a window
      case.
      1913 webster

   5. mining a small fissure which admits water to the
      workings. --knight.
      1913 webster
see also:
capacious chase cash enchase sash upper case 
lower case 

[3] : WordNet (r) 2.0

upper case
     n : one of the large alphabetic characters used as the first
         letter in writing or printing proper names and sometimes
         for emphasis; "printers once kept the type for capitals
         and for small letters in separate cases; capitals were
         kept in the upper half of the type case and so became
         known as upper-case letters" syn: capital, capital
         letter, upper-case letter, majuscule ant: small
         letter
see also:
capital capital letter upper-case letter majuscule small letter 

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

74 moby thesaurus words for "upper case":
   abecedarian, allographic, alphabetic, ascender, back, bastard type,
   beard, belly, bevel, black letter, blackface, body, bold-faced,
   boldface, cap, capital, case, chromotypic, chromotypographic,
   counter, descender, em, en, face, fat-faced type, feet, font,
   full-faced, graphemic, groove, ideographic, italic, letter,
   lettered, lexigraphic, ligature, lightface, literal, logogrammatic,
   logographic, logotype, lower case, lower-case, majuscule,
   minuscular, minuscule, nick, phototypic, pi, pica, pictographic,
   point, print, roman, sans serif, script, shank, shoulder,
   small cap, small capital, stamp, stem, stereotypic, transliterated,
   type, type body, type class, type lice, typecase, typeface,
   typefounders, typefoundry, typographic, uncial

Case >> C Words
Case, definition of term: Case
case_pag1.html

Case Sensitive >> C Words
Case Sensitive, definition of term: Case Sensitive
case+sensitive_pag1.html

Case Shot >> C Words
Case Shot, definition of term: Case Shot
case+shot_pag1.html

Case System >> C Words
Case System, definition of term: Case System
case+system_pag1.html

Case Law >> C Words
Case Law, definition of term: Case Law
case+law_pag1.html

Ablative Case >> A Words
Ablative Case, definition of term: Ablative Case
ablative+case_pag1.html

Accusative Case >> A Words
Accusative Case, definition of term: Accusative Case
accusative+case_pag1.html

Attache Case >> A Words
Attache Case, definition of term: Attache Case
attache+case_pag1.html

Charity Case >> C Words
Charity Case, definition of term: Charity Case
charity+case_pag1.html

Case Based Reas >> C Words
Case Based Reas, definition of term: Case Based Reas
case+based+reas_pag1.html