(n.) A figure of speech in which the speaker breaks off suddenly, as if unwilling or unable to state what was in his mind; as, "I declare to you that his conduct -- but I can not speak of that, here."
Example Sentences:
(1) Perseverations were present in the speech of both the SRD and SDAT subjects, whereas aposiopesis, logorrhea, and palilalia were more typical of the SDAT subjects.