bilateral (similar term)
isobilateral (similar term)
bilaterally symmetrical (similar term)
bilaterally symmetric (similar term)
biradial (similar term)
cruciate (similar term)
cruciform (similar term)
even (similar term)
regular (similar term)
interchangeable (similar term)
isosceles (similar term)
radial (similar term)
stellate (similar term)
radiate (similar term)
radially symmetrical (similar term)
centrosymmetric (similar term)
rhombohedral (similar term)
trigonal (similar term)
parallel (related term)
regular (related term)
asymmetrical (antonym)