Term: prime meridian: meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England)
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: belemnite: a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: pastime: a diversion that occupies one's time and thoughts (usually pleasantly)
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: featherweight: an amateur boxer who weighs no more than 126 pounds
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: dry plate: a former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: holiday: a day on which work is suspended by law or custom
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: percheron: one of a breed of grey or black draft horses originally used in France to draw heavy coaches or artillery
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: hematite: the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: heterospory: the development of both microspores and megaspores
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: castillian: a native or inhabitant of Castile
Broader: object: a tangible and visible entity; an entity that can cast a shadow | Unrelated: pet shop: a shop where pet animals can be purchased