Definition of stool | Bee Dictionary of English

n a simple seat without a back or arms
n solid excretory product evacuated from the bowels
n (forestry) the stump of a tree that has been felled or headed for the production of saplings
n a plumbing fixture for defecation and urination
v lure with a stool, as of wild fowl
v react to a decoy, of wildfowl
v grow shoots in the form of stools or tillers
v have a bowel movement

That makes for a wobbly stool even when the one leg is strong.
For such split-second cooling, Luyet and his associates built a kind of miniature ducking stool.
But if there's blood in the stool or the sigmoidoscopy reveals a problem, a more thorough exam is required.

No. 1 pick Gerrit Cole set to make highly touted Major League debut
Gerrit Cole sat on a stool in the cramped locker room at the Pittsburgh Pirates minor league complex in Bradenton, Fla., in late February and thought for a moment. What, exactly, does the burly right-hander love so much about baseball? Sure, the money is great. The potential fame too. Yet for the player considered one of the cornerstones of a franchise rebuilding itself from the ground up, the ...
June 12, 2013 - WPXI Pittsburgh
Pirates debuting RHP Cole, No. 1 pick in '11
Gerrit Cole sat on a stool in the cramped locker room at the Pittsburgh Pirates minor league complex in Bradenton, Fla., in late February and thought for a moment.
June 11, 2013 - ESPN
Pirates ready to welcome highly touted Cole
PITTSBURGH (AP) -- Gerrit Cole sat on a stool in the cramped locker room at the Pittsburgh Pirates minor league complex in Bradenton, Fla., in late February and thought for a moment.
June 10, 2013 - The Associated Press via Yahoo! Sports

Darren Clarke in BBC News
Yeah, the red stool in the Harbour Bar in Portrush was looking very good for a long time,said Clarke. "But I was just frustrated. Sometimes I make the game as difficult as I possibly can for myself."
Raul Ibanez in ESPN
You can have my urine, my hair, my blood, my stool -- anything you can test,Ibanez said, according to the report.
Barack Obama in Washington Post
Obama told the group, "The recovery package that we're passing is only going to be one leg in at least a three-legged stool."

stool : Definition, Usages, News and More