noun.
An abrupt change within a sentence to a second construction inconsistent with the first, sometimes used for rhetorical effect; for example, I warned him that if he continues to drink, what will become of him?
The Century Dictionary and Cyclopedia
noun.
In grammar and rhetoric, an instance of anacoluthia; a construction characterized by a want of grammatical sequence.
noun.
Also spelled anakoluthon and anakolouthon.
the GNU version of the Collaborative International Dictionary of English
noun.
A lack of grammatical sequence or coherence in a sentence; an instance of a change of construction in a sentence so that the latter part does not syntactically correspond with the first part.
noun.
A sentence or clause that is grammatically inconsistent, especially with respect to the type of clausal or phrasal complement for the initial clause.
noun.
Intentional use of such a structure.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an abrupt change within a sentence from one syntactic structure to another
Word Usage
"She employed, not from any refinement of style, but in order to correct her imprudences, abrupt breaches of syntax not unlike that figure which the grammarians call anacoluthon or some such name."