Definition of "parliamentary" in English

adjective

1. Of, relating to, or enacted by a parliament.

   • Parliamentary procedures are sometimes slow.

2. Having the supreme executive and legislative power resting with a cabinet of ministers chosen from, and responsible to a parliament.

   • The UK is a parliamentary democracy.

3. (British, historical, railways) Of a class of train which, by an act of parliament, ran both ways along a line, at least once each day, at the rate of one penny per mile.

noun

1. (UK, historical) A parliamentary train.