Main Entry:

¹re·tain·er

Pronunciation:

\ri-ˈtā-nər\

Function:

noun

Date:

1540

1 a: a person attached or owing service to a household ; especially : servant b: employee2: one that retains3: a device or structure that holds something in place: as a: the part of a dental replacement (as a bridge) by which it is made fast to adjacent natural teeth b: a dental appliance used to hold teeth in correct position especially following orthodontic treatment