compass deviation card
noun
a card, sheet, or the like, with two compass roses printed on it concentrically, for recording, on a given voyage, the amount of deviation for which the navigator must compensate in using the ship's compass to steer a magnetic course.
Words nearby compass deviation card
compartmentation,
compass,
compass card,
compass course,
compass deviation,
compass deviation card,
compass north,
compass plane,
compass plant,
compass rafter,
compass rose