Étoile polaire meaning in English — lodestar, Polaris

English meaning

lodestar noun A star used as a navigation reference, particularly a pole star such as Polaris.
Polaris noun The North Star, a bright star located almost directly above the North Pole and long used for navigation.

Étoile polaire is used for these senses in English:

North Star (astronomy) The current northern pole star, the star nearest the northern celestial pole, which has been Polaris for the last 1500 years.
Polaris (star) α Ursae Minoris, a trinary star in the constellation Ursa Minor located near the north celestial pole for the last 1500 years.
lodestar A star used as a navigation reference, particularly a pole star such as Polaris.
pole star (star) The star visible to the naked eye which was in the past, is now, or will be in the future nearest a celestial pole of a planet.

noun A star used as a navigation reference, particularly a pole star such as Polaris.
noun A guiding tenet or principle.
noun A calculated amount to award as attorney's fees derived by multiplying the reasonable number of hours spent working on a case by the reasonable hourly billing rate.

Étoile du Nord