house of commons

Short definition from Wiktionary

Noun

1. 1
   Alternative letter-case form of House of Commons: an outhouse.
2. 2
   A session of the House of Commons.
3. 3
   An outhouse: an outbuilding used as a lavatory.

Proper noun

1. 1
   The lower house of the British Parliament.
2. 2
   The lower house of the Canadian Parliament.