n.
Pronunciation: präs- ' th ē -s ə s, ' präs-th ə -
Function: noun
Inflected Form: plural -the · ses \ - ˌ s ē z \
Etymology: New Latin, from Greek, addition, from prostithenai to add to, from pros- in addition to + tithenai to put ― more at PROS- , DO
Date: circa 1900
: an artificial device to replace or augment a missing or impaired part of the body