ENGLISH
REFERENCE

locomotion

n.
C1 Advanced US //ˌɫoʊkəˈmoʊʃən// UK //lˌəʊkəmˈəʊʃən// lo·co·mo·tion Biology
Definition

n. the ability to move from one place to another. In biology, it refers to how animals or plants move their bodies to survive.

n. the ability to move from one place to another. In a biological context, it describes the various mechanisms and structures that enable an organism to move.


SIMPLE

The fish uses its tail for locomotion in the water.

CONTEXTUAL

Many desert animals have evolved specialized locomotion to move quickly across loose sand without sinking.

COMPLEX

The study of locomotion in insects reveals how tiny legs and wings work together to achieve remarkable speed and agility in complex environments.

Origin

From French locomotion, from Latin locō (literally “from a place”) (ablative of locus (“place”)) + mōtiōnem (“motion, a moving”) (nominative mōtio), from Latin movēre (“move; change, exchange, go in or out, quit”), from Proto-Indo-European *m(y)ewh₁- (“to move, drive”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

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Last updated May 19, 2026