Term: boat whistle: a whistle on a boat that is sounded as a warning
Broader: physical entity: an entity that has physical existence | Unrelated: uptown: a residential part of town away from the central commercial district
Broader: physical entity: an entity that has physical existence | Unrelated: plumb rule: a plumb line attached to a narrow board
Broader: physical entity: an entity that has physical existence | Unrelated: aryan: a member of the prehistoric people who spoke Proto-Indo European
Broader: physical entity: an entity that has physical existence | Unrelated: fruit custard: a custard containing fruit
Broader: physical entity: an entity that has physical existence | Unrelated: tractor: a truck that has a cab but no body; used for pulling large trailers or vans
Broader: physical entity: an entity that has physical existence | Unrelated: markov process: a simple stochastic process in which the distribution of future states depends only on the present state and not on how it arrived in the present state
Broader: physical entity: an entity that has physical existence | Unrelated: gun: a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
Broader: physical entity: an entity that has physical existence | Unrelated: slam dunk: something that is a sure to occur; a foregone conclusion
Broader: physical entity: an entity that has physical existence | Unrelated: fibrinase: in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot
Broader: physical entity: an entity that has physical existence | Unrelated: millenarianism: belief in the Christian doctrine of the millennium mentioned in the Book of Revelations