Term: boat whistle: a whistle on a boat that is sounded as a warning
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: conurbation: an aggregation or continuous network of urban communities
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: social work: any of various services designed to aid the poor and aged and to increase the welfare of children
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: wax: any of various substances of either mineral origin or plant or animal origin; they are solid at normal temperatures and insoluble in water
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: no-go area: an area that is dangerous or impossible to enter or to which entry is forbidden
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: superconducting supercollider: a collider that operates at very low temperatures
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: connectivity: the property of being connected or the degree to which something has connections
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: genus scabiosa: annual or perennial herbs or subshrubs; mainly Mediterranean
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: fifty dollar bill: a United States bill worth 50 dollars
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: tappet: a lever that is moved in order to tap something else
Broader: whistle: acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound | Unrelated: territoriality: the behavior of a male animal that defines and defends its territory