台だい長ちょう

noun

director of an observatory

Specifically the head of an observatory (天文台, 気象台, etc.). Not a general term for 'director'.

• 彼かれは国こく立りつ天てん文もん台だいの台だい長ちょうに就しゅう任にんした。

  He was appointed director of the National Astronomical Observatory.