1. (v. t.) To change the form of; to change in shape or appearance; to metamorphose; as, a caterpillar is ultimately transformed into a butterfly.

2. (v. t.) To change into another substance; to transmute; as, the alchemists sought to transform lead into gold.

3. (v. t.) To change in nature, disposition, heart, character, or the like; to convert.

4. (v. t.) To change, as an algebraic expression or geometrical figure, into another from without altering its value.

5. (v. i.) To be changed in form; to be metamorphosed.