uniped

plural unipeds

1. A person or creature with only one foot or leg.

   Synonyms: monoped, monopod

1. not comparableOne-legged.

   Fig. 9 The Black Tezcatlipoca, in aspect of Huitzilopochtli: he is uniped, ‘hurakan’.

   1986, R[obert] Gordon Wasson, Stella Kramrisch, Jonathan Ott, Carl A[nton] P[aul] Ruck, “List of Illustrations”, in Persephone’s Quest: Entheogens and the Origins of Religion, New Haven, Conn.; London: Yale University Press, →ISBN, page 13

   2 more examples

   In Birds, the attitude upon, and mode of progression over, solid surfaces, is biped, or, as in the case of many birds, whilst resting or actually sleeping, the standing position is accomplished upon one leg only, or is uniped.

   1867, John Marshall, “Locomotion of Animals on Solids”, in Outlines of Physiology, Human and Comparative. […], volume I, London: Longmans, Green, and Co., section “Special Physiology”, subsection “Movements of Man and Animals”, pages 222–223

   They had the human form, as had also the famous giant god called Aggodagoda, who was uniped.

   1881, Rushton M[ather] Dorman, “Doctrine of Spirits (Continued)”, in The Origin of Primitive Superstitions and Their Development into the Worship of Spirits and the Doctrine of Spiritual Agency among the Aborigines of America, Philadelphia, Pa.: J[oshua] B[allinger] Lippincott & Co. […], page 83