Word Study
uniped
CIDE DICTIONARY
uniped, a. [Uni- + L. pes, pedis, foot.].
Having only one foot. Wright. [1913 Webster]
OXFORD DICTIONARY
uniped, n. & adj.
--n. a person having only one foot or leg.
--adj. one-footed, one-legged.
--n. a person having only one foot or leg.
--adj. one-footed, one-legged.
Etymology
UNI- + pes pedis foot
For further exploring for "uniped" in Webster Dictionary Online