'Catachresis' definitions:

Definition of 'catachresis'

noun

Strained or paradoxical use of words either in error (as `blatant' to mean `flagrant') or deliberately (as in a mixed metaphor: `blind mouths')

From: GCIDE

Catachresis \Cat`a*chre"sis\, n. [L. fr. Gr. ? misuse, fr. ? to misuse; kata` against + ? to use.] (Rhet.) A figure by which one word is wrongly put for another, or by which a word is wrested from its true signification; as, "To take arms against a sea of troubles". --Shak. "Her voice was but the shadow of a sound." --Young. [1913 Webster] Catachrestic