Term: prime meridian: meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England)
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: true blackberry: the true blackberry of Europe as well as any of numerous varieties having sweet edible black or dark purple berries
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: vanguard: the position of greatest importance or advancement; the leading position in any movement or field
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: exoticism: the quality of being exotic
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: flowering tobacco: South American ornamental perennial having nocturnally fragrant greenish-white flowers
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: persimmon: orange fruit resembling a plum; edible when fully ripe
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: summer savory: herb with delicately flavored leaves with many uses
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: skyhook: a hook that is imagined to be suspended from the sky
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: compulsiveness: the trait of acting compulsively
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: deal: the act of apportioning or distributing something
Broader: meridian: an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Unrelated: angiospermae: comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta)