WordRel.com

• the range of interest or activity that can be anticipated

  synonym	purviewview
  hypernym	ambitcompassorbitrangereachscope

• the line at which the sky and Earth appear to meet

  synonym	apparent horizonsensible horizonskylinevisible horizon
  holo part	linear perspectiveperspective
  hypernym	line

• a specific layer or stratum of soil or subsoil in a vertical cross section of land

  holo part	profile
  hypernym	stratum
  hyponym	geological horizonsoil horizon

• the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth

  synonym	celestial horizon
  hypernym	great circle