Sima

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sima \Si"ma\, n. (Arch.)
     A cyma.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  sima
       n : rock that form the continuous lower layer of the earth's
           crust; rich in silicon and magnesium