n. 1. One who, or that which, transforms. Specif. (Elec.), an apparatus for producing from a given electrical current another current of different voltage. [ 1913 Webster ]
2.(1990's) a toy consisting of a figure or representation of an object, constructed of interlocking parts in such a way that a series of turning or twisting motions of the parts can transform the object from one type of object to a different type of object, such as from an animal to an automobile. [ PJC ]
-- Multiple transformer. (Elec.) (a)A transformer connected in multiple or in parallel with the primary circuit.(b)A transformer with more than one primary or more than one secondary coil. -- Parallel transformer (Elec.), a transformer connected in parallel. [ Webster 1913 Suppl. ]