mid-september
— Noun
– English
～ the middle part of September
Magicicada septendecim
— Noun
– English
～ North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
master sergeant
— Noun
– English
～ a senior noncommissioned officer in the Army or Marines
Mikhail Sergeyevich Gorbachev
— Noun
– English
～ Soviet statesman whose foreign policy brought an end to the Cold War and whose domestic policy introduced major reforms (born in 1931)