[ lib-er-uh m, lee-ber- ]
/ ˈlɪb ər əm, ˈli bər- /
a veto exercised by a single member of a legislative body whose rules require unanimity.
Origin of liberum veto
1785–95; < Latin līberum, neuter of līber free
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019