Denoting an extremely short skull, one with an index of at least 90. ... (05 Mar 2000) ... 
(ul″trә-brak″e-sә-fal´ik) having a cephalic index of more than 90.
Type: Term Pronunciation: ŭl′tră-brak′ē-se-fal′ik Definitions: 1. Denoting an extremely short skull, one with a cephalic index of at least 90.