to change the form of; to change in shape or appearance; to metamorphose; as, a caterpillar is ultimately transformed into a butterfly.-to change into another substance; to transmute; as, the alchemists sought to transform lead into gold.-to change in nature, disposition, heart, character, or the like; to convert.-to change, as an algebraic expression or geometrical figure, into another from without altering its value.-to be changed in form; to be metamorphosed.