The Collaborative International Dictionary of English v.0.48:

Caput \Ca"put\ (k[=a]"p[u^]t), n.; pl. Capita
   (k[a^]p"[i^]*t[.a]). [L., the head.]
   1. (Anat.) The head; also, a knoblike protuberance or
      capitulum.
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   2. The top or superior part of a thing.
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   3. (Eng.) The council or ruling body of the University of
      Cambridge prior to the constitution of 1856.
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            Your caputs and heads of colleges.    --Lamb.
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   Caput mortuum. [L., dead head.] (Old Chem.) The residuum
      after distillation or sublimation; hence, worthless
      residue.
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