D defs.my
Entry 2 senses Webster, 1913

Rooter

/ro͞ot'-ẽr/ · IPA /rˈuːtər/
01 n. One who, or that which, roots; one that tears up by the roots.
  1. 1.
    One who, or that which, roots; one that tears up by the roots.
  2. 2.
    One who roots, or applauds.[Slang, U. S.]