A "second referendum" refers to another vote or ballot that takes place after a first vote has already been conducted. It gives people a chance to reconsider or change their decision on a particular issue. Full definition
In other developments today, Nick Clegg insisted the Liberal Democrats - emboldened by by - election victory in Richmond - would vote against starting Brexit talks without a promised second referendum on the final deal. (dailymail.co.uk)
The possibility of a demand for second referendum by Nicola Ferguson Sturgeon, leader of the Scottish National Party, and EU's tough stand against Britain made us forecast Pound's decline against the Greenback, on March 2nd. (top10binary.net)
Labour peer urges his party to support second referendum as he steps down as chair of national commission (theguardian.com)