OPOSSUMS ARE MARSUPIALS. If you open just about any field guide to North American mammals, the opossum will probably be the very first of the 380 or so mammal species described. That's because opossums are our only marsupial, and marsupials are considered very ancient forms of mammals.
operator - an agent that operates some apparatus or machine; the operator of the switchboard. manipulator. causal agency, causal agent, cause - any entity that produces an effect or is responsible for events or results. company operator - an operator who works for a company. driver - the operator of a motor vehicle.
Operator (band), an American hard rock band. Operators, a synth pop band led by Dan Boeckner. Operator (Motown song), a 1965 song recorded by Mary Wells and Brenda Holloway. Operator (That's Not the Way It Feels), a 1972 song by Jim Croce from You Don't Mess Around with Jim. Operator (Midnight Star song) (1984) Operator (A Girl Like Me), a 2008 song by Shiloh.