tartine

[ tahr-teen; French tar-teen ]
/ tɑrˈtin; French tarˈtin /

noun

a fancy French open-faced sandwich topped with spreadable ingredients.
a piece of bread spread with butter, jam, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tartine

tartine

/ (tɑːˈtiːn) /

noun

an open sandwich, esp one with a rich or elaborate topping

Word Origin for tartine

C21: from French, diminutive of tarte tart 1
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