What does "loupe" mean?

A magnifying glass, usually mounted in an eyepiece, often used by jewellers and watchmakers.

Loupe

Common synonyms include: eye loupe, field loupe, hand lens, jeweler's loupe, magnification tool, magnified view.

/luːp/ name, noun

name, noun ·Rare ·Advanced level

Noun

1
A magnifying glass, usually mounted in an eyepiece, often used by jewellers and watchmakers.
"Pemulis owns stuff like philatelic forceps, a loupe, a pharmaceutical scale, a postal scale, a personal-size Bunsen burner […]"
2
small magnifying glass (usually set in an eyepiece) used by jewelers and horologists wordnet
3
A type of short-range binoculars used by surgeons and dentists.

Proper Noun

"Pemulis owns stuff like philatelic forceps, a loupe, a pharmaceutical scale, a postal scale, a personal-size Bunsen burner […]"

Borrowed from French loupe.