Synonyms for a monocle:
glass wafer
patch of crystal
third eye
eyeglass
one-eyed eyeglass
eyepiece
pendulum
ribbonless, ingrowing affair
his disguise
magic ring
ring of invisibility
shiny object
shiny bauble
magnifying glass
disk of crystal
the glass
the token of ceaseless interrogation
Picadilly window
glass onion
“The monocle is everything. Man. A crystallization. A gel. A micella. God.” —Blaise Cendrars,
Dan Yack (1927, translated by Nina Rootes, 1987)
“The monocle at his eye was like a veil to hide the soul, a defence against inquiry, itself the unceasing question, a sort of battery thrown forward, a kind of field-casemate for a lonely, besieged spirit. It was full of suggestion. It might have been the glass behind which showed some medieval relic, the body of some ancient Egyptian king whose life had been spent in doing wonders and making signs—the primitive, anthropomorphic being.” —Gilbert Parker,
The Right of Way (1901)
[snippets collected through the course of our research]