- 1 to set the controls of a piece of electrical equipment so that it will start to work at a particular time preset something to do something You can preset the thermostat to make the heat come on when you want it to. preset something to preset TV channels/radio stations (= to set the controls so that particular channels are selected when you press particular buttons)
- 2[usually passive] preset something to decide something in advance They kept to the preset route.
NAmE//ˌpriˈsɛt//Verb Forms present simple I / you / we / they preset
he / she / it presets
past simple preset
-ing form presetting