somma

som·ma
S1O1M3M3A1
UK/ˈsɒm.ə/US/ˈsɑ.mə/

noun

A volcanic caldera that has been partially filled by a new central cone.

OriginItalian Somma →
UncommonScrabble 9
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Meanings

somma1

nounsomma (plural sommas)

plural sommas

  1. geographyA volcanic caldera that has been partially filled by a new central cone.

    Eventually, a renewed edifice may grow large enough even to bury its somma, or sommas, completely, leaving no clue in its shape to a history of former catastrophe(s).

    2013, John P. Lockwood, Richard W. Hazlett, Volcanoes: Global Perspectives

Somma2

proper nounSomma (plural Sommas)

plural Sommas

  1. A surname from Italian.

Origin

somma · noun

Named after Mount Somma, a stratovolcano in southern Italy with a summit caldera in which the upper cone of Mount Vesuvius has grown.

Full word history & related roots →

Somma · proper noun

  1. ItalianSomma
  2. EnglishSomma

Borrowed from Italian Somma.

More words from Italian

Full word history & related roots →

Rhymes & wordplay

Rhymes with somma

mommaperiod dramaShatner commavommayo mommazomma
All rhymes →

Anagrams

sammoSamom
Cite this entry
APA

somma. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/somma

MLA

“somma.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/somma. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “somma,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/somma.

Source: somma on Wiktionary, CC BY-SA 4.0.