Prosody consisting of 12 moræ or units of time, as a dodecasemic foot. [ < post-classical Latin dodecasemus (4th cent.; < Hellenistic Greek δωδεκάσημος of twelve times (in music) < ancient Greek δωδεκα-dodeca-comb. form + σῆμα sign, mark: see seman.) + -icsuffix.]