The hemisphere of the Earth (or any celestial body) to the south of its equator.

The action of the verb to sound.

Emitting a sound. / Sonorous.

present participle of sound

Test made with a probe or sonde. / A measured depth of water. / The act of inserting of a thin metal rod into the urethra of the penis for medical or sexual purposes

(software) Of or relating to a product which is licensed to permit modifications and redistribution of its source code, as per The Open Source Definition.

(transitive) To release the source code of.

(software) The practice of providing open-source code for a product. / (software) Open-source software in general. / (espionage) Information that is in the public domain and available to everybody.

Alternative form of open-source

A valved brass instrument with the same length as a tuba, but shaped differently so that the bell is above the head, that the valves are situated directly in front of the musical instruments and a few inches above the waist, and that most of the weight rests on one shoulder.