1. octan - Noun
2. octan - Adjective
octan (not comparable)
Occurring every eight days.
octan (plural octans)
A fever that recurs every eight days.
The world’s most evil businessman and president of the Octan Corporation (Will Ferrell) has stolen the world’s most dangerous superweapon (the Kragle), with which he plans to stick the whole world together with superglue. Source: Internet