(space science) A suborbital rocket used to launch upper atmosphere, exoatmospheric, and microgravity sondes or probes.

plural of sounding rocket

plural of sounding-stone

A channel between Baffin Island and Devon Island, the eastern end of the Parry Channel and thus the Northwest Passage, leading into Baffin Bay to the east (the body of water separating Baffin Island from Greenland), and Viscount Melville Sound to the west.

(historical) A toll on the use of the Øresund which constituted up to two thirds of Denmark's state income in the 16th and 17th centuries.

plural of wall of sound

A southwest-northeast sea strait in the Falkland Islands, separating East and West Falkland.

(medicine) Any of the noises that can be heard on auscultation over the heart, generated by the beating heart and the resultant flow of blood through it.

simple past tense and past participle of sound off

present participle of sound off