nosepiece

UK: /ˈnəʊzˌpiːs/ US: (nōz′pēs′)

WordReference Random House Unabridged Dictionary of American English © 2025

nose•piece  (nōz′pēs′), n. 

1. Ophthalmology the part of a frame for eyeglasses that passes over the bridge of the nose.
2. the part of a microscope to which the objectives are attached. See diag. under microscope. 
3. Heraldry a piece of armor serving as a protective cover for the nose.
4. Sport a noseband.

• nose + piece 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::

nosepiece / ˈnəʊzˌpiːs/ noun

1. Also called: nasal a piece of armour, esp part of a helmet, that serves to protect the nose
2. the connecting part of a pair of spectacles that rests on the nose; bridge
3. the part of a microscope to which one or more objective lenses are attached
4. a less common word for noseband