| n. | 1. | The long, round, slender rod or pin in spinning wheels by which the thread is twisted, and on which, when twisted, it is wound; also, the pin on which the bobbin is held in a spinning machine, or in the shuttle of a loom. |
| 2. | A slender rod or pin on which anything turns; an axis; as, the spindle of a vane. |
| 3. | (Mach.) The shaft, mandrel, or arbor, in a machine tool, as a lathe or drilling machine, etc., which causes the work to revolve, or carries a tool or center, etc. |
| 3. | The fusee of a watch. |
| 4. | (Mach.) The vertical rod on which the runner of a grinding mill turns. |
| 4. | A long and slender stalk resembling a spindle. |
| 5. | (Founding) A shaft or pipe on which a core of sand is formed. |
| 5. | A yarn measure containing, in cotton yarn, 15,120 yards; in linen yarn, 14,400 yards. |
| 6. | (Geom.) A solid generated by the revolution of a curved line about its base or double ordinate or chord. |
| 7. | (Zool.) Any marine univalve shell of the genus Rostellaria; - called also spindle stromb. |
| v. i. | 1. | To shoot or grow into a long, slender stalk or body; to become disproportionately tall and slender. |
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