open house

1. 1.

   an informal party of people with hospitality for all comers

   Broaderparty

Questions about open house

What does open house mean?

open house means "an informal party of people with hospitality for all comers".

Is open house a common word?

open house 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.