Definition of rooters:
(n) :
(US, slang) One who roots for, or applauds, something.
(n) :
One who, or that which, roots; one that tears up by the roots.
(n) :
One who roots or rummages through something.
(n) :
(by extension) A type of heavy machinery similar to a plow for breaking up soil, concrete, asphalt, etc.
(n) :
A device for boring a pathway through a blocked drain or sewer.
(n) :
(computing) A type of malware that obtains and runs using privileged access, bypassing normal security systems.