Search Result for "centrum": 
Wordnet 3.0

NOUN (1)

1. the main body of a vertebra; 



The Collaborative International Dictionary of English v.0.48:

Centrum \Cen"trum\, n.; pl. E. Centrums, L. Centra. [L.,
   center.] (Anat.)
   The body, or axis, of a vertebra. See Vertebra.
   [1913 Webster]


WordNet (r) 3.0 (2006):

centrum
    n 1: the main body of a vertebra