noun
holiday house; vacation home; villa
A second home used for vacations, often in a resort area or countryside.
夏休みに軽井沢の別荘で過ごした。
We spent the summer vacation at our villa in Karuizawa.
彼は海の近くに別荘
He bought a vacation home near the sea.
noun
Colloquial, often used humorously or sarcastically to refer to a prison as a 'vacation home'.
あいつは今、別荘にいるらしいよ。
I hear he's in the 'villa' (prison) now.