1. symmetrical (vs. asymmetrical), symmetric, bilateral, isobilateral, bilaterally symmetrical, bilaterally symmetric, biradial, cruciate, cruciform, even, regular, interchangeable, isosceles, radial, stellate, radiate, radially symmetrical, centrosymmetric, rhombohedral, trigonal, parallel, regular

usage: having similarity in size, shape, and relative position of corresponding parts

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