from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small magnifying glass usually set in an eyepiece and used chiefly by watchmakers and jewelers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A magnifying glass, usually mounted in an eyepiece, often used by jewellers and watchmakers.
- n. A type of short-range binoculars used by surgeons and dentists.
from the GNU version of the Collaborative International Dictionary of English
- n. Any of a variety of small magnifying glasses, having a magnifying power from 2X to 20X, commonly of 10X, which may be held in the hand, or in some cases held within the eyesocket without the use of a hand. It is commonly used by jewelers and watchmakers.
from The Century Dictionary and Cyclopedia
- n. A mass of pasty iron mingled with slag as taken from the Catalan forge when ready to be shingled.
- n. A lens or magnifying-glass.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. small magnifying glass (usually set in an eyepiece) used by jewelers and horologists
French, from Old French, flawed gem, probably of Germanic origin.(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowing from French loupe. (Wiktionary)