Word Study
westing
CIDE DICTIONARY
westing, n.
The distance, reckoned toward the west, between the two meridians passing through the extremities of a course, or portion of a ship's path; the departure of a course which lies to the west of north. [1913 Webster]
OXFORD DICTIONARY
westing, n. Naut. the distance travelled or the angle of longitude measured westward from either a defined north-south grid line or a meridian.
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