A children's game in which players take turns to place S's and O's on a grid, collecting points by creating an "SOS" sequence.
The conventional Morse code call made by a ship in distress.
To divine or predict from omens.
To be an omen of.
A thing of prophetic significance.
Something which portends or is perceived to portend either a good or evil event or circumstance in the future, or which causes a foreboding; a portent or augury.