'Tentorium' definitions:

Definition of 'tentorium'

(from WordNet)
noun
(anatomy) a fold of dura mater that covers the cerebellum and supports the occipital lobes of the cerebrum

Definition of 'Tentorium'

From: GCIDE
  • Tentorium \Ten*to"ri*um\, n. [L., a tent.] (Anat.) A fold of the dura mater which separates the cerebellum from the cerebrum and often incloses a process or plate of the skull called the bony tentorium. [1913 Webster]