noun Etymology: Middle English, from Medieval Latin, literally, hard mother Date: 14th century the tough fibrous membrane that envelops the brain and spinal cord external to the arachnoid and pia mater
DURA MATER
Meaning of DURA MATER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012