rooter noun 9forms 1 noun9 •One who, or that which, roots; one that tears up by the roots.The rooter was terrorized, what with the mechanical noises right behind it, and it abandoned evasive turns and darts and made for the horizon with pitiful desperation. — 1994 •(US, slang) One who roots for, or applauds, something.My oldest brother is a hefty twelve years older; we never quite bonded, though he's always been my supporter—a real rooter for me in academic studies. — 2007 •A device for boring a pathway through a blocked drain or sewer. •A type of heavy machinery similar to a plow for breaking up soil, concrete, asphalt, etc.Breaking old concrete is a simple task for powerful tractor and rooter if the teeth are hooked under slab edge and pulled forward, then raised up by rooter's cable lift. — 1955 •A type of malware that obtains and runs using privileged access, bypassing normal security systems.In 2002 a new variant of auto-rooters was discovered in the wild: mass-rooters. — 2003 •A plant, viewed in terms of how it establishes its roots.It is now possible to see at a glance how good rooters and poor rooters compare in their response to auxin treatments. — 1953 •One who roots or rummages through something. •A blade for producing a narrow groove in a piece of wood. •One who holds a primary or founding position in an enterprise.Basically there are two kinds of Christians, the tooters and the rooters - the talkers and the doers. — 1992 formsrooters