Real Dictionary

motor
a group or combination of interrelated, interdependent, or interacting elements forming a collective entity; a methodical or coordinated assemblage of parts, facts, concepts, etc [...]
a specific piece of work required to be done as a duty or chore [...]
any flat, curved, or irregular expanse of a surface [...]
any of a large group of nitrogenous compounds of high molecular weight that are essential constituents of all living organisms. They consist of one or more chains of amino acids linked by peptide bonds and are folded into a specific three-dimensional shap
balanced and effective interaction of movement, actions, etc [...]
figurative or descriptive language in a literary work [...]
knowledge gained by study; instruction or scholarship [...]
manner of behaving or conducting oneself [...]
Motor vehicles and boats have a petrol or diesel engine.
the act of responding; reply or reaction [...]
the engine, esp an internal-combustion engine, of a vehicle [...]
countable noun: The motor in a machine, vehicle, or boat is the part that uses electricity or fuel to produce movement, so that the machine, vehicle, or boat can work.