Abscission

Ab·scis·sion

Abscission

n.
  1. The act or process of cutting off.
  2. The state of being cut off.
  3. A figure of speech employed when a speaker having begun to say a thing stops abruptly: thus, “He is a man of so much honor and candor, and of such generosity -- but I need say no more.” (Rhet.)