parliamentary

adjective

pertaining to a parliament

Wiktionary

Pronunciation: /ˌpɑːləˈmɛnt(ə)ɹi/ / /ˌpɑɹləˈmɛnt(ə)ɹi/ / /ˌpɐːləˈment(ə)ɹi/

adj

Etymology: Etymology tree English parliament Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English parliamentary From parliament + -ary.

Of, relating to, or enacted by a parliament.
“Parliamentary procedures are sometimes slow.”
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.”
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.
“The train was moving less fast through the summer night. The swift express had changed into something almost a parliamentary, had stopped three times since Norwich, and now, at long last, was approaching Banton.”

noun

Etymology: Etymology tree English parliament Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusder. Middle English -arie English -ary English parliamentary From parliament + -ary.

A parliamentary train.