checkpoint


noun

  1. a place along a road, border, etc., where travelers are stopped for inspection.
  2. a point or item, especially in a procedure, for notation, inspection, or confirmation.

noun

  1. a place, as at a frontier or in a motor rally, where vehicles or travellers are stopped for official identification, inspection, etc
n.

1940, from check (v.) + point (n.). Originally an aviator’s term for landforms or structures of known height against which the craft’s altitude could be visually checked. The “vehicle stop” sense is recorded from 1950.

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