adjoining room

1. 1.

   a hotel room that shares a wall with another hotel room

   Broaderhotel room

Questions about adjoining room

What does adjoining room mean?

adjoining room means "a hotel room that shares a wall with another hotel room".

Is adjoining room a common word?

adjoining room 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.