compass card
- noun
- /ˈkʌmpəs kɑrd/
- Specialized
- The captain checked the compass card to ensure the ship stayed on course.
Examples
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A properly balanced compass card is essential for accurate navigation at sea.
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During the storm, the spinning of the compass card made it difficult to determine the correct heading.
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The compass card always points north.
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He adjusted the compass card before setting off.
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The navigator checked the compass card to determine their exact heading towards the north.
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To find the right direction, he studied the compass card closely in the dim light.
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When sailing, it's essential to align the ship's direction with the compass card for accurate navigation.
Surface Forms
Morphology
compass + card
The meaning is directly derivable from combining 'compass' (a device indicating north) with 'card' (a flat piece used to display information); it denotes the card component of a compass. This is a straightforward noun–noun compound following regular English composition patterns, so a B1 learner who knows both constituents would readily understand it.
Etymology
Compass card comes from a simple, literal object: a round card inside a compass that is marked with directions and turns so its 'north' mark points to the Earth's north. That's why compass card means the marked disk that shows your 'direction' on a compass.