'accumulator' definitions:
Definition of 'accumulator'
(from WordNet)
noun
A person who is employed to collect payments (as for rent or taxes) [syn: collector, gatherer, accumulator]
noun
A voltaic battery that stores electric charge [syn: storage battery, accumulator]
noun
(computer science) a register that has a built-in adder that adds an input number to the contents of the register [syn: accumulator, accumulator register]