trench binoculars

English

Etymology

Compound of trench +‎ binoculars.

Noun

trench binoculars pl (plural only)

1. A pair of binoculars consisting of two periscopes.

   Synonyms: donkey's ears, scissor binoculars

Translations

scissor binoculars — see scissor binoculars

Further reading

• Binoculars (Military) on Wikipedia.Wikipedia