1. Games The lowest possible throw of dice, two single pips.
2. Bad luck; misfortune.
3. The smallest amount possible or the most worthless thing.
[Middle English ambes as, from Old French : Latin ambās, feminine accusative of ambō, both + as, unit.]
ambsace(ˈeɪmzˌeɪs; ˈæmz-) or
1. (Gambling, except Cards) double ace, the lowest throw at dice
2. bad luck
[C13: from Old French ambes as, both aces; as from Latin: unit]