A (originally detachable) second window attached on the exterior side of a window in climates with harsh winters, to add an insulating layer of still air between the outside and inside.

An underground sewer or open canal for channeling surface runoff (as from a rain storm); distinct from a sanitary sewer.

A storm in which rain freezes on contact with the ground to form a sheet of ice.

plural of storm trooper

A storm characterized by lots of large hail.

(transitive, military) To capture by means of a sudden, overwhelming attack. / (transitive, idiomatic) To seize, overpower, or captivate in a sudden and forceful manner.

One who chases storms as a profession and/or hobby. / One who finds and films storms, especially tornados.

(historical) A German soldier trained in special infiltration tactics, introduced around the end of World War I.

(UK) Synonym of tempest in a teapot

plural of sand storm