Noun

• S: (n) bilaterality, bilateralism, bilateral symmetry (the property of being symmetrical about a vertical plane)
• direct hypernym / inherited hypernym / sister term
• S: (n) symmetry, symmetricalness, correspondence, balance ((mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane)
• S: (n) regularity, geometrical regularity (a property of polygons: the property of having equal sides and equal angles)
• S: (n) bilaterality, bilateralism, bilateral symmetry (the property of being symmetrical about a vertical plane)
• S: (n) radial symmetry (the property of symmetry about an axis) "the starfish illustrates radial symmetry"
• derivationally related form