stool

v. i. (Agric.) To ramfy; to tiller, as grain; to shoot out suckers. R. D. Blackmore. [ 1913 Webster ]

n. [ AS. stōl a seat; akin to OFries. & OS. stōl, D. stoel, G. stuhl, OHG. stuol, Icel. stōll, Sw. & Dan. stol, Goth. stōls, Lith. stalas a table, Russ. stol'; from the root of E. stand. √163. See Stand, and cf. Fauteuil. ] 1. A single seat with three or four legs and without a back, made in various forms for various uses. [ 1913 Webster ]

2. A seat used in evacuating the bowels; hence, an evacuation; a discharge from the bowels. [ 1913 Webster ]

3. A stool pigeon, or decoy bird. [ U. S. ] [ 1913 Webster ]

4. (Naut.) A small channel on the side of a vessel, for the dead-eyes of the backstays. Totten. [ 1913 Webster ]

5. A bishop's seat or see; a bishop-stool. J. P. Peters. [ 1913 Webster ]

6. A bench or form for resting the feet or the knees; a footstool; as, a kneeling stool. [ 1913 Webster ]

7. Material, such as oyster shells, spread on the sea bottom for oyster spat to adhere to. [ Local, U.S. ] [ 1913 Webster ]

Stool of a window, or
Window stool (Arch.), the flat piece upon which the window shuts down, and which corresponds to the sill of a door; in the United States, the narrow shelf fitted on the inside against the actual sill upon which the sash descends. This is called a window seat when broad and low enough to be used as a seat. --
Stool of repentance, the cuttystool. [ Scot. ] --
Stool pigeon, a pigeon used as a decoy to draw others within a net; hence, a person used as a decoy for others. [ 1913 Webster ]