1.AdjectiveRelating to or denoting the suture on top of the skull which runs between the parietal bones in a front to back direction.
Of or in a plane parallel to the median plane, especially that dividing the body into left and right halves.
2.AdjectiveOf or in a plane parallel to the median plane, especially that dividing the body into left and right halves.
3.AdjectiveOf or relating to an arrow; resembling an arrow; furnished with an arrowlike appendage.