miraculum, res mira, mirum (anything marvellous): ostentum, monstrum, prodigium, portentum (of fearful or threatening appearances in nature: ostentum, any strange natural phenomenon, without the notion of a prophetic meaning; monstrum, especially of unnatural births; prodigium, that which portends anything extraordinary, or is a display of Divine power, especially with reference to the manner in which, or the place or time at which a thing appears; portentum, anything strange or wonderful in nature or human life, so far as it portends good or evil). ☞ In the biblical sense the proper word is miraculum. To work miracles, miracula edere, patrare.