Obelus /(ŏb"ĕ*lŭs)/

Ob·e·lus

Obelus

n.

pl. Obeli ((ŏb"ĕ*lī))

  1. A mark [thus −, or ÷]; -- so called as resembling a needle. In old MSS. or editions of the classics, it marks suspected passages or readings. (Print.)