Definition of cross-index:
(n) :
A geometrical figure consisting of two straight lines or bars intersecting each other such that at least one of them is bisected by the other.
(n) :
(heraldry) Any geometric figure having this or a similar shape, such as a cross of Lorraine or a Maltese cross.
(n) :
A wooden post with a perpendicular beam attached and used (especially in the Roman Empire) to execute criminals (by crucifixion).
(n) :
(Christianity) A hand gesture made in imitation of the shape of the Cross; sign of the cross.
(n) :
(Christianity) Any representation of the crucifix, as in religious architecture, burial markers, jewelry, etc.
(n) :
(figurative, from Christ's bearing of the cross) A difficult situation that must be endured.