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 (heraldiccharge) 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 modified representation of the crucifixion stake, worn as jewellery or displayed as a symbol of religious devotion.
n A place where roads intersect and lead off in four directions; a crossroad (common in UK and Irish place names such as Gerrards Cross).
n (Rubik's Cube) Four edge cubies of one side that are in their right places, forming the shape of a cross.
a (context|now|_|rare) opposing | Opposing, adverse; being contrary to what one would hope or wish for.
v (context|cricket|reciprocally) Of both batsmen, to pass each other when running between the wickets in order to score runs.