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.
The Horn Sign. What it means to us: It is a sign of approval in Rock n Roll, Rock On! \m/. What it means to others: In Latin countries such as Argentina, Portugal, Spain, Cuba, Colombia, Brazil and Italy, to make this sign is to tell someone that their spouse or partner is cheating on them.