Definition of Polaris in English:

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Polaris

Pronunciation: /pəˈlerəs/
1 Astronomy A fairly bright star located within one degree of the north celestial pole, in the constellation Ursa Minor. It is a triple star, the bright component of which is a cepheid variable. Also called North Star, polestar.
2A type of submarine-launched ballistic missile designed to carry nuclear warheads, formerly in service with the US and British navies.

Origin

Mid 19th century: from medieval Latin polaris 'heavenly', from Latin polus 'end of an axis'.

For editors and proofreaders

Syllabification: Po·lar·is

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