tentorium

[ ten-tawr-ee-uh m, -tohr- ]
/ tɛnˈtɔr i əm, -ˈtoʊr- /

noun, plural ten·to·ri·a [ten-tawr-ee-uh, -tohr-] /tɛnˈtɔr i ə, -ˈtoʊr-/.

Anatomy. an extension of one of the membranes covering the cerebrum which, with the transverse fissure, separates the cerebrum from the cerebellum.
Zoology. (of an insect) the internal skeleton of the head.

Origin of tentorium

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

Medical definitions for tentorial (1 of 2)

tentorial
[ tĕn-tôrē-əl ]

adj.

Relating to a tentorium.

Medical definitions for tentorial (2 of 2)

tentorium
[ tĕn-tôrē-əm ]

n. pl. ten•to•ri•a (-tôrē-ə)

A membranous cover or horizontal partition.