transcription, транскрипция: [ ˈnā-ˌdir, ˈnā-dər ]
noun
Etymology: Middle English, from Middle French, from Arabic naḍhīr opposite
Date: 15th century
1. : the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer
2. : the lowest point
[
nadir 1: 1 nadir, 2 observer, 3 zenith
]