ETYM Old Eng. stumpe, stompe; akin to Dutch stomp, German stumpf, Icel. stumpr, Dan. and Swed. stump, and perhaps also to Eng. stamp.
1. Cricket: any of three upright wooden sticks that form the wicket.
2. The base part of a tree that remains standing after the tree has been felled; SYN. tree stump.
3. The part of a limb or tooth that remains after the rest is removed.
Low outcrop of rock formed by the erosion of a coastal stack. Unlike a stack, which is exposed at all times, a stump is exposed only at low tide. Eventually it will be worn away completely, leaving a wave-cut platform.

To cause to be perplexed or confounded; SYN. mix up.