nounpl. tar·tu·fi, or tar·tu·fos
An Italian dessert consisting of ice cream shaped into a ball, filled with cherries, nuts, or other ingredients, and coated in chocolate.
Origin of tartufoItalian truffle, tartufo from Vulgar Latin territūferum truffle from Latin terrae tūber terrae genitive of terra earth ; see ters- in Indo-European roots. tūber lump ( probably influenced by dialectal tūfer ); see teuə- in Indo-European roots.