biped

Meanings

1. 1
   noun

   an animal, person, or machine that walks on two feet or legs

   A human is a biped, whereas a horse normally moves on four legs.

2. 2
   adj

   having or using two feet or legs for movement

   The robot's biped design allowed it to climb ordinary stairs.

Borrowed from Latin bipes, genitive bipedis, 'two-footed,' formed from bi- ('two') + pes, genitive pedis ('foot'). The noun came to denote a two-footed being, while the adjective biped and the more common bipedal describe two-legged movement or structure.

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