(transitive) To affect (someone) with lumbago.

(astronomy) An estimate of the distance of a body based on its luminosity and the inverse square law.

(physics) Any emission of light that cannot be attributed merely to the temperature of the emitting body.

One who is an inspiration to others; one who has achieved success in one's chosen field; a leading light. / (archaic) A body that gives light; especially, one of the heavenly bodies.

A person whose work is to fell trees. / A lumberjacket.

(transitive) To work as a lumberjack, cutting down trees.

(uncountable) the state of being luminous, or a luminous object; brilliance or radiance / (physics) the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor

Full of lumps, not smooth. / Of a water surface: covered in many small waves as a result of wind; choppy.

A relatively large single payment of money often paid and received instead of, or in addition to, a sequence of smaller payments.

A facility dedicated to the preparation and/or sale of lumber.