red-pencil

verb (used with object), red-pen·ciled, red-pen·cil·ing or (especially British) red-pen·cilled, red-pen·cil·ling.

1. to delete, censor, correct, or abridge (written material) with or as if with a pencil having a red lead: His book was heavily red-penciled before it got clearance.

verb -cils, -cilling or -cilled or US -cils, -ciling or -ciled

1. (tr) to revise or correct (a book, manuscript, etc)