Source : Webster's Revised Unabridged Dictionary (1913)

Abasia \A*ba"si*a\, n. [NL.; Gr. ?- not + ? a step.] (Med.)
   Inability to co["o]rdinate muscular actions properly in
   walking. -- {A*ba"sic}, a.

Source : WordNet®

abasic
     adj : of or relating to abasia (inability to walk) [syn: {abatic}]