The story
From crossbench + -er.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A member of a legislature who belongs to a political party or coalition that is not in government or official opposition (the largest party or coalition not in government), or is independent; a member of the crossbench. Full definition →
From crossbench + -er.
Etymology from Wiktionary, CC BY-SA 4.0.