The Collaborative International Dictionary of English v.0.48:

Tagliacotain \Tagl`ia*co"tain\, a. (Surg.)
   Of or pertaining to Tagliacozzi, a Venetian surgeon; as, the
   Tagliacotian operation, a method of rhinoplasty described by
   him. [Also Taliacotian, and Tagliacozzian.]
   [1913 Webster]