base course

noun

Definition of base course

  1. 1a :  the first or lowest course of a wall (as of a foundation wall or of the wall of a building above the basement) b :  the bottom layer of material laid down in the construction of a pavement

  2. 2 of a ship :  a straight-line course the destroyer turned back to base course

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Origin and Etymology of base course

3base


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a rounded knoll or a ridge of ice

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