Zenith



GRE 蓝宝 Barron TOEFL

解释

GRE 红宝书

The four compass points and zenith

• n.天顶；极点

Webster Collegiate

noun

• Etymology: Middle English cenyth, senyth, from Middle French cenit, from Medieval Latin, from Old Spanish zenit, modification of Arabic samt (al-ra's) way (over one's head)
• Date: 14th century
• 1. the point of the celestial sphere that is directly opposite the nadir and vertically above the observer — see azimuth illustration
• 2. the highest point reached in the heavens by a celestial body
• 3. culminating point ; acme <at the zenith of his powers — John Buchan>

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