To make straight or right; remove error from; bring into accordance with a standard or original; point out errors in.Specifically— To note or mark errors or defects in, as a printer's proof, a book, a manuscript, etc., by marginal or interlinear writing.To make alterations in, as type set for printing, according to the marking on a proof taken from it; make the changes required by: as, to correct a page or a form; to correct a proof.To point out and remove, or endeavor to remove, an error or fault in: as, to correct an astronomical observation.To destroy or frustrate; remove or counteract the operation or effects of, especially of something that is undesirable or injurious; rectify: as, to correct abuses; to correct the acidity of the stomach by alkaline preparations.Specifically, in optics, to eliminate from (an eyepiece or object-glass) the spherical or chromatic aberration which tends to make the image respectively indistinct or discolored. See aberration, 4.To endeavor to cause moral amendment in; especially, punish for wrong-doing; discipline.Synonyms Improve, Better. See amend.In accordance or agreement with a certain standard, model, or original; conformable to truth, rectitude, or propriety; not faulty; free from error or misapprehension; accurate: as, the correct time.n. Correction.