Term: propulsion system: a system that provides a propelling or driving force
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: bribe: payment made to a person in a position of trust to corrupt his judgment
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: matron: a woman in charge of nursing in a medical institution
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: shopkeeper: a merchant who owns or manages a shop
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: masochist: someone who obtains pleasure from receiving punishment
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: cast: bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: haematobia: European genus of bloodsucking flies
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: adelgid: any of various insects that feed and form galls on conifers
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: northern jacob's ladder: perennial erect herb with white flowers; circumboreal
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: bacteria species: a species of bacteria
Broader: system: instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity | Unrelated: yellow bells: viscid herb of arid or desert habitats of southwestern United States having pendulous yellow flowers