Obelus
Pronunciation : Ob"e*lus
Part of Speech : n.;
Etymology : [L., fr. Gr. (Print.)
Definition : Defn: A mark [thus ---, or ?]; -- so called as resembling a needle. In old MSS. or editions of the classics, it marks suspected passages or readings.
pl. Obeli.
Source : Webster's Unabridged Dictionary, 1913