Domes·day n. A day of judgment. See Doomsday. [Obs.]
 Domesday Book, the ancient record of the survey of most of the lands of England, made by order of William the Conqueror, about 1086. It consists of two volumes, a large folio and a quarto, and gives the proprietors' tenures, arable land, woodland, etc. [Written also Doomsday Book.]

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 Dooms·day n.
 1. A day of sentence or condemnation; day of death. “My body's doomsday.”
 2. The day of the final judgment.
    I could not tell till doomsday.   --Chaucer.
 Doomsday Book. See Domesday Book.

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