The trombone is a musical instrument in the brass family. Like all brass instruments, sound is produced when the playerâs vibrating lips (embouchure) cause the air column inside the instrument to vibrate.
cameo noun [ C ] (PERFORMANCE) âº a small but noticeable part in a film or play, performed by a famous actor: He appears briefly towards the end of the film in a cameo role as a priest. âº a piece of usually oval jewellery on which there is a head or other shape of one colour on a surface of a different colour: a cameo brooch.
appearance. n. 1. the act or an instance of appearing, as to the eye, before the public, etc. 2. the outward or visible aspect of a person or thing: her appearance was stunning; it has the appearance of powdered graphite. 3. an outward show; pretence: he gave an appearance of working hard.