Definition of "pole" []

• Either extremity of an axis through a sphere. (noun)
• Either of the regions contiguous to the extremities of the earth's rotational axis, the North Pole or the South Pole. (noun)
• Physics A magnetic pole. (noun)
• Electricity Either of two oppositely charged terminals, as in an electric cell or battery. (noun)
• Astronomy A celestial pole. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Period: May 2009* operation: elliptical orbit, 20 km (perilune) at south pole and 100 km (apolune) at north pole* mission: same as phase 2."
• "_horror_, and _flying from pole to pole_ to avoid a man because you have made him at last find out that he has a heart!"
• "In place of the term pole, I propose using that of _Electrode_ [A], and I mean thereby that substance, or rather surface, whether of air, water, metal, or any other body, which bounds the extent of the decomposing matter in the direction of the electric current."