Meaning of tentorium

ten•to•ri•um

Pronunciation: (ten-tôr'ē-um, -tōr'-), [key]
— pl. -to•ri•a
  1. an extension of one of the membranes covering the cerebrum which, with the transverse fissure, separates the cerebrum from the cerebellum.
  2. (of an insect) the internal skeleton of the head.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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