Meaning of sima

si•ma

Pronunciation: (sī'mu), [key]
— n. Geol.
  1. an assemblage of rocks, rich in silica and magnesium, that constitutes the lower layer of the earth's crust and is found beneath the ocean floors and the sial of continents.

si•ma

Pronunciation: (sī'mu), [key]
— n. Archit.
  1. the uppermost member of a full classical order, usually a cyma recta, representing a roof gutter; cymatium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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