'Dracontic' definitions:

Definition of 'Dracontic'

From: GCIDE

Dracontic \Dra*con"tic\, a. [From L. draco dragon, in allusion to the terms dragon's head and dragon's tail.] (Astron.) Belonging to that space of time in which the moon performs one revolution, from ascending node to ascending node. See Dragon's head, under Dragon. [Obs.] "Dracontic month." --Crabb. [1913 Webster]