Acontia :: Acontia (n. pl.) Threadlike defensive organs, composed largely of nettling cells (cnidae), thrown out of the mouth or special pores of certain Actiniae when irritated..
Acontias :: Acontias (n.) Anciently, a snake, called dart snake; now, one of a genus of reptiles closely allied to the lizards..
Dracontic :: Dracontic (a.) 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..