doorbell

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a push button at an outer door that gives a ringing or buzzing signal when pushed (Freq. 1)
• Syn:
bell, buzzer
• Derivationally related forms:
buzz (for: buzzer)
• Hypernyms:
push button, push, button
• Hyponyms:
night bell

• Từ đồng nghĩa / Synonyms:
  bell, buzzer