Definition of biped in English:



  • An animal that uses two legs for walking.

    • ‘The frogs are important because many scientists think that our slimy green pond brethren can tell the future by being susceptible to diseases that will bedevil us bipeds down the line.’
    • ‘It's possible, for example, that early hominids living as bipeds in patchy forests became easier targets for leopards and other predators.’
    • ‘Modern humans are bipeds - we have two feet.’
    • ‘Australopithecus postcranial skeletons demonstrate that these forms were upright bipeds.’
    • ‘In an upright biped, like humans and Australopithecines, the head is balanced on top of the spine, whereas in the quadruped like a chimpanzee the head is slung from the front of the spine.’
    • ‘It seems the gorilla was the first biped’
    • ‘Further changes must have affected the hip bone in later stages, bringing it into line with the structure found in today's human bipeds.’
    • ‘The human skeleton is different for many reasons, including the fact that we are the only habitual biped with upper limbs that are solely dedicated to manipulation and not involved in locomotion.’
    • ‘Analysis of the pelvis, thigh bone and knee joint indicate that Lucy and her kind walked on two feet, making them bipeds.’
    • ‘But although these early bipeds may have developed a more extensive gestural repertoire, I doubt whether their language began to develop grammatical sophistication until about two million years ago.’
    • ‘The open savannas where the earliest bipeds evolved were hot, with little shade, and the effect of the sun would have been severe.’


  • Using two legs for walking.

    • ‘Our implementation of dynamic programming is performed in a reduced dimensional subspace of a simulated four-DOF biped robot with point feet.’
    • ‘They add that these evolutionary fixes do not ward off an array of problems that arise from our biped stance.’
    • ‘Our biped ancestor had only to put one foot wrong - and catastrophe - at best a stumble, at worst a broken ankle.’
    • ‘Imagine the primordial fear a competing biped species produces.’
    • ‘The ultimate aim of the human evolution is to become ' human ' instead of a well dressed and well armed biped animal.’


Mid 17th century (earlier ( early 17th century) as bipedal): from Latin bipes, biped- (from bi- ‘having two’ + pes, ped- ‘foot’).