nose·piece / ˈnōzˌpēs/ • n. 1. the part of a helmet or headdress that protects a person's nose. ∎ another term for noseband. ∎ the central part of a pair of glasses that fits over the bridge of the nose. 2. the part of a microscope to which the objective lenses are attached.
"nosepiece." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (September 24, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nosepiece
"nosepiece." The Oxford Pocket Dictionary of Current English. . Retrieved September 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nosepiece