bilateral symmetry

noun

Definition of bilateral symmetry 

: symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that only one plane can divide the individual into essentially identical halves

First Known Use of bilateral symmetry

1828, in the meaning defined above

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The first known use of bilateral symmetry was in 1828

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bilateral symmetry

noun

Medical Definition of bilateral symmetry 

: symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that one and only one plane can divide the individual into essentially identical halves

More from Merriam-Webster on bilateral symmetry

Britannica.com: Encyclopedia article about bilateral symmetry

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