binoculars

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an optical instrument designed for simultaneous use by both eyes (Freq. 1)
• Syn:
field glasses, opera glasses
• Usage Domain:
plural, plural form
• Hypernyms:
optical instrument
• Part Meronyms:
eyepiece, ocular

• Từ đồng nghĩa / Synonyms:
  field glasses, opera glasses