1 tosca | Definition of tosca
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tosca

noun
tos·​ca | \ ˈtōskə\
plural -s

Definition of tosca

1 : a calcium carbonate deposit occurring in the loess of the pampas — compare caliche
2 : a soft coral limestone deposit used for various purposes in Puerto Rico (as for masonry, road surfacing, ballast, and as fertilizer)

History and Etymology for tosca

American Spanish, from Spanish, feminine of tosco rough, unpolished, uncouth, probably from Latin tuscus Tuscan; from the disreputable character of the inhabitants of the Vicus Tuscus Tuscan Street in ancient Rome

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More from Merriam-Webster on tosca

Spanish Central: Translation of tosca

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