Not imagination; this one was the veddy veddy correct, monocled type.
Her head was graciously inclined towards the monocled youth who stood nearest her.
As Flint looked at Winifred, he felt an absurd jealousy of the monocled Englishman who presumed to show his admiration so plainly.
It was upon that vision known to earth as Amanthus this monocled, British, chinless person was gazing.
At one time, I suppose, Duncan would have called his monocled captain out.
"single eyeglass," 1886, from French monocle, noun use of adjective monocle "one-eyed, blind in one eye" (13c.), from Late Latin monoculus "one-eyed," from Greek monos "single, alone" (see mono-) + Latin oculus "eye" (see eye (n.)).
That this, a hybrid, a Gallicism, and a word with no obvious meaning to the Englishman who hears it for the first time, should have ousted the entirely satisfactory eyeglass is a melancholy illustration of the popular taste in language. [Fowler]