発はっ見けん時じ代だいはっけんじだいMeanings1nounAge of Discoveryrare termhistorical termRare historical term referring to the period of European exploration and maritime expansion, roughly equivalent to 大航海時代.See also: 大航海時代発はっ見けん時じ代だいは、ヨーロッパ諸しょ国こくが新しん航こう路ろを求もとめた時じ代