Definition of "nosepiece" [nosepiece]

• A piece of armor that forms part of a helmet and protects the nose. (noun)
• The part of a pair of eyeglasses that fits across the nose. (noun)
• See noseband. (noun)
• The part of a microscope, often rotatable, to which one or more objective lenses are attached. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Then, with his other nostril pinched closed, he should insert the nosepiece gently into the nostril and aim the spray out and down the nasal passage (not toward the middle of his nose) and sniff gently."
• "Adjustable-focus glasses have a nosepiece slider that let the user adjust the focus for distance, intermediate or near vision."
• "He was wearing a dirty T-shirt, grungy jeans, and a pair of wire-rim glasses taped together over the nosepiece."