tentorium

[ ten-tawr-ee-uhm, -tohr- ]

noun,plural ten·to·ri·a [ten-tawr-ee-uh, -tohr-]. /tɛnˈtɔr i ə, -ˈtoʊr-/.
  1. Anatomy. an extension of one of the membranes covering the cerebrum which, with the transverse fissure, separates the cerebrum from the cerebellum.

  2. Zoology. (of an insect) the internal skeleton of the head.

Origin of tentorium

1
1655–65; <New Latin tentōrium,Latin: tent, equivalent to ten(dere) to extend, stretch + -tōrium-tory2

Other words from tentorium

  • ten·to·ri·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use tentorium in a sentence