A spoon for eating soup, typically smaller than a tablespoon and larger than a dessertspoon, characterised by having a round bowl rather than the usual oval bowl of other types of spoon.

(physics) The speed at which sound is propagated through some medium under specified conditions.

A source of illumination.

(uncountable) Sonic barrier, the sudden increase in drag (resistance) and other effects experienced by moving objects when their speed approaches that of sound or becomes supersonic (which used to be considered a barrier to higher speeds).

(Christianity) An annual feast day celebrating the faithful departed on the second day of November, immediately following All Saints' Day. / (uncommon) Synonym of Tomb Sweeping Day, a Chinese holiday.

(molecular biology) A technique whereby biological molecules (especially DNA fragments) are separated by electrophoresis and then transferred from a gel to an immobilizing medium, under the influence of an electric field, for analysis.

(uncountable) The technical discipline of recording and producing sound. / (less frequently) Engineering which is sound in the sense of being reliable.

One who practices sound engineering.

The southern part of any region; alternative letter-case form of south. / The Global South. / (US) Those states which formed the Confederacy during the American Civil War.

(not in US) from or pertaining to the southern part of any region