Obelus
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) A mark [thus /, or ? ]; - so called as resembling a needle. In old MSS. or editions of the classics, it marks suspected passages or readings.
The Nuttall Encyclopedia [2]
A small coin worth about a penny, according to a custom among the Greeks placed in the mouth of a corpse at burial to pay to Charon to ferry the ghost of it over the Styx.
