A wine bottle of eight times the standard size.
More example sentences
- But did you know that a methuselah is eight bottles worth or six litres of wine - referred to in Bordeaux as an imperiale?
- Last month, while hanging out in St Tropez, he reputedly spent $80,000 on four methuselahs of Cristal and that was after the Sultan of Brunei had given him a welcome to London present of 10.
1930s: from Methuselah.