obolus

/AH0 B OW1 L AH0 S/
noun
  1. 1

    A silver coin minted in Ancient Greece, valued at a sixth of a drachma.

  2. 2

    (historical) A unit of weight, equal to one-sixth of a drachma.

  3. 3

    Alternative form of obelus. [(historical) A symbol resembling a horizontal line (โ€“), sometimes together with one or two dots (for example, โจช or รท), which was used in ancient manuscripts and texts to mark a word or passage as doubtful or spurious, or redundant; an obelisk.]