sunset:1

noun
sun*set \ ˈsən-ˌset \
before 12th century{ds||1||}
  • the apparent descent of the sun below the horizon; also : the accompanying atmospheric effects
  • the time when the upper limb of the sun disappears below the horizon as a result of the diurnal rotation of the earth
  • a period of decline; especially : old age

sunset:2

adjective
sunset \
1974
  • stipulating the periodic review of government agencies and programs in order to continue their existence

sunset:3

verb
sunset \
1976{ds||1||}
  • to cause or allow (something, such as a law) to lapse, end, or be terminated
  • to lapse or come to an end : expire

Sunset Crater:g

geographical name
Sunset Crater \
  • volcanic crater in Sunset Crater Volcano National Monument, north central Arizona
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