\Het"er*o*clite\, a. [L. heteroclitus, Gr. ?; ?
other + ? to lean, incline, inflect: cf. F.
h['e]t['e]roclite.]
Deviating from ordinary forms or rules; irregular; anomalous;
abnormal.

\Het"er*o*clite\, n.
1. (Gram.) A word which is irregular or anomalous either in
   declension or conjugation, or which deviates from ordinary
   forms of inflection in words of a like kind; especially, a
   noun which is irregular in declension.
2. Any thing or person deviating from the common rule, or
   from common forms. --Howell.