| 1. | each of the extremities of the axis of the earth or of any spherical body. |
| 2. | Astronomy. celestial pole. |
| 3. | one of two opposite or contrasted principles or tendencies: His behavior ranges between the poles of restraint and abandon. |
| 4. | a point of concentration of interest, attention, etc.: The beautiful actress was the pole of everyone's curiosity. |
| 5. | Electricity, Magnetism. either of the two regions or parts of an electric battery, magnet, or the like, that exhibits electrical or magnetic polarity. |
| 6. | Cell Biology.
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| 7. | Mathematics.
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| 8. | Crystallography. a line perpendicular to a crystal face and passing through the crystal center. |
| 9. | poles apart or asunder, having widely divergent or completely opposite attitudes, interests, etc.: In education and background they were poles apart. |

pole (pōl)
n.
Either of the two points at the extremities of the axis of an organ or body.
Either extremity of an axis through a sphere.
Either of two oppositely charged terminals, as in an electric cell.
poles apart
In complete opposition, as in The two brothers were poles apart in nearly all their views. This expression alludes to the two extremities of the earth's axis, the North and South poles. [Early 1900s]