prothesis

Concise Oxford English Dictionary © 2008 Oxford University Press:
prothesis /ˈprɒθɪsɪs/

▶noun (pl. protheses /-siːz/)

• 1 (especially in the Orthodox Church) the action of placing the Eucharistic elements on the credence table.

  ■ a credence table, or the part of a church where it stands.

• 2 another term for prosthesis (sense 2).

– derivatives
prothetic adjective.

– origin C16: from Gk, ‘placing before or in public view’.