Aquinas' definition. The Oxford Concise Dictionary of the Christian Church defines acedia (or accidie) as a state of restlessness and inability either to work or to pray. Some see it as the precursor to slothâone of the seven deadly sins.
A train horn is a powerful air horn that serves as an audible warning device on electric and Diesel locomotives. The horn's primary purpose is to alert persons and animals to an oncoming train, especially when approaching a grade crossing. The horn is also used for acknowledging signals given by railroad employees, such as during switching operations.
âFor about 30 minutes they parade around and around with lights blazing and air-horns blaring.â âThe air was cool and each sound of a train air horn excited me.â âThe 3-4 age group took off at the sound of the air horn to collect the eggs in their division.â âThis combat goes on for a few curious minutes before an air horn signals a change in the drill rotation.â