any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks | a horse kept for hire |
a motor vehicle with four wheels; usually propelled by an internal combustion engine | an old or over-worked horse |
a device for overcoming resistance at one point by applying force at some other point | a saddle horse used for transportation rather than sport etc. |
a group that controls the activities of a political party | a car driven by a person whose job is to take passengers where they want to go in exchange for money |
an intricate organization that accomplishes its goals efficiently | a tool (as a hoe or pick or mattock) used for breaking up the surface of the soil |
an efficient person | one who works hard at boring tasks |
| a mediocre and disdained writer |
| a politician who belongs to a small clique that controls a political party for private rather than public ends |