Term: messenger boy: a boy who earns money by running errands
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: organ: a fully differentiated structural and functional unit in an animal that is specialized for some particular function
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: constrictor: any of various large nonvenomous snakes that kill their prey by crushing it in its coils
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: charadriiformes: large diverse order of aquatic birds found along seacoasts and inland waters: shorebirds and coastal diving birds; most feed on anima life
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: hypermastigina: cellulose-producing flagellates
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: renewable resource: any natural resource (as wood or solar energy) that can be replenished naturally with the passage of time
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: adam's needle: yucca with long stiff leaves having filamentlike appendages
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: iron: a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: furtiveness: a disposition to be sly and stealthy and to do things surreptitiously
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: glossinidae: flies closely related to the Muscidae: tsetse flies
Broader: causal agent: any entity that produces an effect or is responsible for events or results | Unrelated: crayfish: small freshwater decapod crustacean that resembles a lobster