trap door

1. 1.

   a hinged or sliding door in a floor or ceiling

   Broaderdoor

Questions about trap door

What does trap door mean?

trap door means "a hinged or sliding door in a floor or ceiling".

Is trap door a common word?

trap door is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.