obturator

English Thesaurus

1. a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate) (noun.artifact)

hypernym	:	prosthesis, prosthetic device,
definition	:	corrective consisting of a replacement for a part of the body (noun.artifact)

derivation	:	block, close up, impede, jam, obstruct, obturate, occlude,
definition	:	block passage through (verb.contact)

derivation	:	block, close up, impede, jam, obstruct, obturate, occlude,
definition	:	block passage through (verb.contact)