drawbridge

/ˈdrɔːbrɪdʒ/
noun
  1. A bridge that can be raised or lowered to allow boats to pass or to prevent people from crossing.
    • We had to wait for the drawbridge to lower so we could cross the canal.
    • Modern drawbridges are often operated by computers.
    • The castle's drawbridge was raised every night for protection.
Synonyms
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