sundowner
noun
1
an itinerant traveller. So-called from their habit of arriving at a country property just on sundown so that they can ask for sustenance without being given any manual labour AUSTRALIA, 1868.
2
a senile patient who is quiet during the day but becomes agitated at dark US, 1983.
3
any alcoholic drink enjoyed at the end of the day. Recorded in India, Singapore, the East Indies and Australia; also in south and east Africa UK, 1938.
4
a VF-111 combat aircraft. The plane was first deployed in 1942 in the Pacific with the mission of shooting down Japanese 'Suns'. Deployed in Korea and Vietnam US, 1990