1. (n.) 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. (n.) A slender rod or pin on which anything turns; an axis; as, the spindle of a vane.

3. (n.) 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.

4. (n.) The vertical rod on which the runner of a grinding mill turns.

5. (n.) A shaft or pipe on which a core of sand is formed.

6. (n.) The fuse of a watch.

7. (n.) A long and slender stalk resembling a spindle.

8. (n.) A yarn measure containing, in cotton yarn, 15,120 yards; in linen yarn, 14,400 yards.

9. (n.) A solid generated by the revolution of a curved line about its base or double ordinate or chord.

10. (n.) Any marine univalve shell of the genus Rostellaria; -- called also spindle stromb.

11. (n.) Any marine gastropod of the genus Fusus.

12. (v. i.) To shoot or grow into a long, slender stalk or body; to become disproportionately tall and slender.

arbor axis axle axle bar axle shaft axle spindle axle-tree distaff fulcrum gimbal gudgeon hinge hingle hub mandrel nave oarlock pin pintle pivot pole radiant rowlock swivel trunnion