(n.) Act of crossing at an acute angle, or state of being thus crossed; an intersection in the form of an X; as, the decussation of lines, nerves, etc.

adjunct chiasma component contingent crossing cruciation decussation detachment detail division dole embodiment example exponent fraction installment intercrossing intersecting intersection item parcel part particular percentage portion quadrant quarter quota random sample remainder representation representative sample sampling section sector segment share specimen subdivision subgroup subspecies transection transversion traversal type typification