A cant used in the London fishmarkets, in the British theatre, and by the homosexual community in Britain, attested since at least the 19th century and popularised in the 1950s and 1960s by the camp characters Julian and Sandy in the popular BBC radio show Round the Horne.

(astronomy) The pole star, a trinary star in the constellation Ursa Minor that currently lies close to the north celestial pole; Alpha (α) Ursae Minoris

(Polari) To talk.

(obsolete) Tending towards a pole.

An instrument used to measure the rotation of the plane of polarized light as it passes through a sample of an optically active compound; cf. colmascope.

the production or the condition of polarity / (physics) the production of polarized light; the direction in which the electric field of an electromagnetic wave points

(physics) light in which the electric and magnetic fields each vibrate in a single plane

circularly polarized light

(physics) polarized light in which the electric and magnetic fields vibrate in same phase

A polarimeter.