the supper of Jesus and His disciples on the eve of His Crucifixion.Compare Lord's Supper(def 1).
a work of art representing this.
(italics) The, a mural (1495–98) by Leonardo da Vinci.
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British Dictionary definitions for last supper
the Last Supper the meal eaten by Christ with his disciples on the night before his Crucifixion, during which he is believed to have instituted the Eucharist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012