A large mirror, often as a separate piece of furniture, in which a full-body reflection can be viewed when getting dressed.

simple past tense and past participle of hold a mirror to

Third-person singular simple present indicative form of hold a mirror to

present participle of hold a mirror to

To reflect; to represent and by resemblance provide insight into. / To elucidate; to make explicit some aspect of. / Used other than figuratively or idiomatically: see hold, mirror.

plural of black mirror

A curved mirror with a reflecting surface that forms part of a sphere (as opposed to, for example, a paraboloid)

An mirror used to bend an optical path so that it can be made longer than the physical size of the system

A mirror with a flat surface (i.e. the surface is a single plane)

A curved mirror with a reflecting surface that forms part of a paraboloid (as opposed to, for example, a sphere)