tentorium /ten-tōˈri-əm, -töˈ/

1. A sheet of the dura mater stretched between the cerebrum and the cerebellum (anatomy)
2. The internal chitinous skeleton of an insect's head

tentoˈrial adjective

• hardiments
• hardiness
• hardinesses
• hardish
• hard labour
• hard landing
• hard landings
• hard launch
• hard launches
• hard left
• hard line
• hardline
• hardliner
• hardliners
• hard lines
• hard luck
• hard-luck story
• hardly
• hardly able to believe one's ears
• hardly able to believe one's eyes
• hardly good enough
• hard man
• hard measures
• hard men
• hard-metal