nosepiece

nose +‎ piece

nosepiece (plural nosepieces)

1. Anything (originally a piece of armour) that protects the nose.
   • 2009 August 2, Karen Crouse, “Phelps Grabs Record in 100 Butterfly”, in New York Times‎:

     At impact, the nosepiece of Phelps’s goggles snapped.

2. An animal's noseband.
3. The bridge between spectacle lenses that rests on the nose.
4. The part of a microscope that holds the objectives.
5. The outer end or point of a pipe, bellows, etc.

• epicœnes, one-pieces