(idiomatic) A complex, troublesome situation arising when a decision or action produces considerable subsequent problems.

A short and/or incomplete realization of a certain method or idea to demonstrate its feasibility. / (software engineering, perhaps nonstandard) A proof of technology or pilot project.

Speaking or acting for.

(idiomatic) Out of normal sequence. / (idiomatic) Not functioning properly. / (idiomatic) Inappropriate or unsuitable.

(shipping) A document issued by a carrier (e.g. master of a ship or the ship owner's agent) to a shipper listing a ship's cargo, acknowledging receipt of said cargo, and specifying terms for its delivery.

The narrow section of water between the eastern tip of Sicily and the southern tip of mainland Italy.

A product of the fine arts; a painting, sculpture, etc. / Anything beautiful or exquisite.

(idiomatic) To go extinct or become obsolete; to fall out of common use or practice; to become a thing of the past.

(UK, politics) The House of Commons and the House of Lords within the Palace of Westminster.

plural of House of Parliament