Equator Posted on 9th November 201527th July 2021 by ThePD (The Project Definition) An Equator is an imaginary line of the middle of the earth from the South and North poles. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in General and tagged geology. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.