Prothesis \Proth"e*sis\, n. [NL., fr. Gr. ? a placing in public, fr. ? to set before; ? before + ? to set, put.] 1. (Eccl.) A credence table; -- so called by the Eastern or Greek Church.
2. (Med.) See {Prosthesis}. --Dunglison.
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}.
2. (Gram.) The prefixing of one or more letters to the beginning of a word, as in beloved.