double door

1. 1.

   two vertical doors that meet in the middle of the door frame when closed

   Broaderdoor

Questions about double door

What does double door mean?

double door means "two vertical doors that meet in the middle of the door frame when closed".

Is double door a common word?

double door is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.