'Prosthesis' definitions:

Definition of 'prosthesis'

From: WordNet
noun
Corrective consisting of a replacement for a part of the body [syn: prosthesis, prosthetic device]

Definition of 'Prosthesis'

From: GCIDE
  • Prosthesis \Pros"the*sis\, n. [L., fr. Gr. ? an addition, fr. ? to put to, to add; ? to + ? to put, place.]
  • 1. (Surg.) The addition to the human body of some artificial part, to replace one that is wanting, as a log or an eye; -- called also prothesis. [1913 Webster]
  • 2. (Gram.) The prefixing of one or more letters to the beginning of a word, as in beloved. [1913 Webster]