Definition from Wiktionary, the free dictionary
nosepiece (plural nosepieces)
- Anything (originally a piece of armour) that protects the nose.
2009 August 2, Karen Crouse, “Phelps Grabs Record in 100 Butterfly”, New York Times:
- At impact, the nosepiece of Phelps’s goggles snapped.
- The bridge between spectacle lenses that rests on the nose.
- The part of a microscope that holds the objectives.