The one in the dice, on the dominoes, on the cards; In some decks it is represented by the ' A ' and in some games it is worth more than the highest card (usually the king). It is the name of an ancient Roman copper coin that was used as a unit for the value of other currencies. The origin is Latin: as, assis ("unit, one"). It is also called As each of the main Nordic gods, and surely from there use to name the best and most prominent in its field. Of the Germanic óss ("God"). See also Jack, Horse, Joker, Sena, Æsir.