horn — On a Road Trip horn /hɔːn/ noun CEFR A2 A part of a car that makes a loud sound as a warning. “He pressed the horn to warn the cyclist.” Related words in this scene carroaddrivemapfuelpetrolpetrol stationtankenginewheelsteering wheelseatbelttraffictraffic jammotorwayjunctionexitspeed limitmirrorbrakegeartyretripbreakdowngarageparkingparksnackjamtollmotel Practice this word Create worksheet