a Shiratsuyu-class destroyer of the Imperial Japanese Navy during World War II (see Japanese destroyer Samidare (1935) on Wikipedia.Wikipedia) / a place name

a heavy rain that occurs around the fifth lunar month; an early summer rain.

Depression sometimes seen in new hires or new students; loosely, “(start of) summer fever”.

limited express train; special express

a special ward, a district (a municipal or other geographic administrative area) / (specifically) one of the 23 special wards of Tokyo

special needs

(criminal law) criminal legislation that is not codified in a criminal code

the District of Columbia

school for special needs

(military, historical) a specially-organized attack force, the most notable being the kamikaze (suicide bombing) attack corps during World War II