1.
80th birthday; celebration of one's eightieth year
A traditional celebration of a person's 80th birthday. The name comes from the cursive form of 傘 (umbrella), which resembles the character 八十 (eighty).
傘寿 celebrates a person's 80th birthday, one of the traditional Japanese longevity milestones (長寿のお祝い). The name comes from the cursive shorthand for 傘 (umbrella), which looks like the character for eighty; the traditional celebratory color is gold or yellow.
Common collocations
Types
Part of a sequence of longevity milestones: 古希 (70), 喜寿 (77), 傘寿 (80), 米寿 (88), 卒寿 (90), 白寿 (99).