Pole

The noun pole and adjective polar may refer to multiple things.

• A Pole is a member of a Slavic ethnic group from Poland.
• A pole is a long and straight stick, usually vertical or intended to be used vertically. See barber, pole vault, pole (object).\n*A pole is also a unit of length, also called a rod or a perch, equal to 5.5 yards or 16.5 feet (5.029 meters in SI units).
• The geographical poles of the Earth, or other planet, are the points where its axis of rotation passes through its surface. See also: North Pole, South Pole, polar region.\n*The pole of inaccessibility.\n*The celestial poles are the ends of the celestial sphere.
• A magnetic pole is one end of a magnet.\n*In chemistry, a polar molecule is one that has concentrations of electric charge, see polar molecule.
• In mathematics:\n**In complex analysis, a pole of a function is a certain simple type of singularity. See pole (complex analysis).\n**Polar coordinates are a way of describing the location of any point in space.