sima

S1I1M3A1

noun

The upturned edge of a roof which acts as a gutter; a cyma.

Less commonScrabble 6

Meanings

sima1

nounsima (plural simas)

plural simas

  1. architectureThe upturned edge of a roof which acts as a gutter; a cyma.

sima2

nounsima (uncountable)
  1. uncountablegeographyThe lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.

Sima3

proper nounSima (plural Simas)

plural Simas

Synonyms & antonyms

Also see

Origin

sima · noun

  1. Ancient Greekσιμός“bent upwards”
  2. Englishsima

From the Ancient Greek σιμός (simós, “bent upwards”).

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sima · noun

Coined by Eduard Suess in 1909, in Das Antlitz der Erde, as a blend of silicon + magnesium.

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Sima · proper noun

  1. Chinese司馬 /司马
  2. EnglishSima

Borrowed from Chinese 司馬 /司马 (sīmǎ).

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Translations

Finnish sima-kerros
  • sima-kerroslower layer of Earth's outer crust
Indonesian sima
  • simalower layer of Earth's outer crust

Rhymes & wordplay

Rhymes with sima

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Anagrams

Cite this entry
APA

sima. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sima

MLA

“sima.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sima. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sima,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sima.

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