Definition of westing in US English:

westing

noun

  • 1Distance traveled or measured westward, especially at sea.

    ‘they ran their westing down toward a dark unknown’
    1. 1.1 A figure or line representing westward distance on a map.
      ‘he likes directions military style, eastings and westings and that’

Pronunciation

westing

/ˈwɛstɪŋ//ˈwestiNG/