sound >> saʊnd
Definition: [noun] vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
Example: light travels faster than sound
Definition: [noun] sound produced by continuous and regular vibrations, as opposed to noise.
Definition: [noun] music, speech, and sound effects when recorded and used to accompany a film, video, or broadcast.
Example: a sound studio
Definition: [noun] an idea or impression conveyed by words.
Example: you've had a hard day, by the sound of it
Definition: [verb] emit or cause to emit sound.
Example: a loud buzzer sounded
Definition: [verb] convey a specified impression when heard.
Example: he sounded worried