Syntactical incoherence

• An abrupt change within a sentence from one syntactic structure to another

Wiktionary Word definitions in Wiktionary
n. 1 (context grammar English) A sentence or clause that is grammatically inconsistent, especially with respect to the type of clausal or phrasal complement for the initial clause. 2 (context rhetoric English) Intentional use of such a structure.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Anacoluthon \An`a*co*lu"thon\, n. [Gr. ?, ?, not following, wanting sequence; 'an priv. + ? following.] (Gram.) 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 ...

WordNet Word definitions in WordNet
n. an abrupt change within a sentence from one syntactic structure to another [syn: anacoluthia ] [also: anacolutha (pl)]

Wikipedia Word definitions in Wikipedia
An anacoluthon ( ; from the Greek anakolouthon , from an- : "not" and ἀκόλουθος akólouthos : "following") is an unexpected discontinuity in the expression of ideas within a sentence, leading to a form of words in which there is logical incoherence of thought. ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"want of grammatical sequence; changing constructions in mid-clause," 1706, from Latinized form of Greek anakoluthon , neuter of anakolouthos "inconsequent," from an- "not" (see an- (1)) + akolouthos "following," from copulative prefix a- + keleuthos "way, ...