,| 1. | a single seat on legs or a pedestal and without arms or a back. |
| 2. | a short, low support on which to stand, step, kneel, or rest the feet while sitting. |
| 3. | Horticulture. the stump, base, or root of a plant from which propagative organs are produced, as shoots for layering. |
| 4. | the base of a plant that annually produces new stems or shoots. |
| 5. | a cluster of shoots or stems springing up from such a base or from any root, or a single shoot or layer. |
| 6. | a bird fastened to a pole or perch and used as a decoy. |
| 7. | an artificial duck or other bird, usually made from wood, used as a decoy by hunters. |
| 8. | a privy. |
| 9. | the fecal matter evacuated at each movement of the bowels. |
| 10. | the sill of a window. |
| 11. | a bishop's seat considered as symbolic of his authority; see. |
| 12. | the sacred chair of certain African chiefs, symbolic of their kingship. |
| 13. | to put forth shoots from the base or root, as a plant; form a stool. |
| 14. | Slang. to turn informer; serve as a stool pigeon. |
| 15. | fall between two stools, to fail, through hesitation or indecision, to select either of two alternatives. |

stool (on (so))
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stool (pigeon)
[ˈstul ˈpɪdʒən] and [ˈstuli] and stoolie
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stool (st&oomacr;l)
n.
A discharging of the bowels.
Evacuated fecal matter.
stool
In addition to the idiom beginning with stool, also see fall between the cracks (two stools).