westing noun. ['wɛstɪŋ] E17.
[from WEST adverb or verb + -ING¹.]
1. Chiefly Nautical. Distance travelled or measured westward. E17.
b. Cartography. Distance westward from a point of origin; a unit of measurement used to calculate this (usu. in pl.). Also, a line of longitude west of a given meridian. M18.

2. The fact of a wind's blowing from or shifting to the west. M19.

[TahlilGaran] English Dictionary ▲