(fluid dynamics) A shock wave formed by the bow of an object travelling at supersonic speed. / (astronomy) The region of the magnetosphere in which the solar wind slows from supersonic to subsonic.

Alive or existent for only a short period of time.

A young, newly-weaned pig.

A geep, a sheep-goat hybrid (whether artificially produced or the result of animals from these species naturally intermating).

(anthropology, sociology) A state of anxious confusion experienced by someone exposed to an alien or unfamiliar environment.

(astronomy) Having an orbital period of less than 200 years, especially said of comets

(slang) A pawnshop.

(finance, derogatory, obsolete) A stockbroking firm which takes small orders from clients and takes them on its own account rather than actually transmitting them to the market. Prevalent in the US 1870s to 1920s; often set up as shop-fronts in the 1920s.

A severe and rapid systemic allergic reaction to an allergen, constricting the trachea and causing generalized vasodilation.

(nautical) A shore to weather or windward from a vessel, offering protection from the wind. / Seen from land, a shore exposed to wind. / A protection, creating a relative calm.