Spyglass

//ˈspaɪˌɡlæs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A small portable telescope.
  2. 2
    a small refracting telescope wordnet
  3. 3
    A pair of binoculars. regional, uncommon

Synonyms

All synonyms
binocularsbinocularsfield glassfield glassglasstelescope

Example

More examples

"In 1609, Galileo heard about the invention of the spyglass, a device which made distant objects appear closer. Galileo used his mathematical knowledge and technical skills to improve upon the spyglass and build a telescope."

Etymology

From spy + glass.

Related phrases

spy glass

More for "spyglass"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.