The Collaborative International Dictionary of English v.0.48:

Corpus \Cor"pus\ (-p[u^]s), n.; pl. Corpora (-p[-o]*r[.a]).
   [L.]
   A body, living or dead; the corporeal substance of a thing.
   [1913 Webster]

   Corpus callosum (k[a^]l*l[=o]"s[u^]m); pl. Corpora
      callosa (-s?) [NL., callous body] (Anat.), the great band
      of commissural fibers uniting the cerebral hemispheres.
      See Brain.

   Corpus Christi (kr[i^]s"t[imac]) [L., body of Christ] (R.
      C. Ch.), a festival in honor of the eucharist, observed on
      the Thursday after Trinity Sunday.

   Corpus Christi cloth. Same as Pyx cloth, under Pyx.

   Corpus delicti (d[-e]*l[i^]k"t[imac]) [L., the body of the
      crime] (Law), the substantial and fundamental fact of the
      comission of a crime; the proofs essential to establish a
      crime.

   Corpus luteum (l[=u]"t[-e]*[u^]m); pl. Corpora lutea
      (-[.a]). [NL., luteous body] (Anat.), the reddish yellow
      mass which fills a ruptured Graafian follicle in the
      mammalian ovary.

   Corpus striatum (str[-i]*[=a]"t[u^]m); pl. Corpora
      striata (-t[.a]). [NL., striate body] (Anat.), a ridge in
      the wall of each lateral ventricle of the brain.
      [1913 Webster]

WordNet (r) 3.0 (2006):

corpus
    n 1: capital as contrasted with the income derived from it [syn:
         principal, corpus, principal sum]
    2: a collection of writings; "he edited the Hemingway corpus"
    3: the main part of an organ or other bodily structure

Moby Thesaurus II by Grady Ward, 1.0:

99 Moby Thesaurus words for "corpus":
   A to Z, A to izzard, Festschrift, acquaintance, aggregate, all,
   all and sundry, alpha and omega, ana, anatomy, anthology, aquarium,
   assemblage, be-all, be-all and end-all, beginning and end, body,
   bones, bulk, capital, capital gains distribution,
   capital structure, capitalization, carcass, chrestomathy,
   circulating capital, clay, clod, collectanea, collection,
   compilation, complement, core, data, datum, each and every,
   equity capital, everything, experience, expertise, facts,
   factual base, familiarity, figure, fixed capital, flesh,
   floating capital, florilegium, form, frame, fund, holdings, hulk,
   information, intelligence, intimacy, ken, know-how, knowing,
   knowledge, length and breadth, library, mass, material body,
   menagerie, moneyed capital, museum, one and all, package,
   package deal, person, physical body, physique, practical knowledge,
   principal, private knowledge, privity, ratio cognoscendi, raw data,
   self-knowledge, set, soma, staple, substance, technic, technics,
   technique, the corpus, the ensemble, the entirety, the lot,
   the whole, the whole range, torso, treasure, trunk,
   venture capital, working capital, zoo



Bouvier's Law Dictionary, Revised 6th Ed (1856):

CORPUS. A Latin word, which signifies body; as, corpus delicti, the body of
the offence, the essence of the crime; corpus juris canonis, the body of the
canon law; corpus juris civilis, the body of the Civil law.