antimere

American  

[an-tuh-meer] / ˈæn təˌmɪər /

noun

Zoology.

1. a segment or division of the body having a corresponding segment or division that is opposite to it relative to the longitudinal axis of the body.

2. a similar part in a radially symmetrical animal.

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antimere British  

/ ˌæntɪˈmɛrɪk, ˈæntɪˌmɪə, ænˈtɪməˌrɪzəm /

noun

1. Also called: actinomere.  a part or organ of a bilaterally or radially symmetrical organism that corresponds to a similar structure on the other side of the axis, such as the right or left limb of a four-legged animal

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Other Word Forms

• antimeric adjective
• antimerism noun

Etymology

Origin of antimere

First recorded in 1875–80; anti- + -mere