dura mater

First attested c. 1400, borrowing from Medieval Latin dūra māter (literally “firm, strict mother”), ellipsis of dūra māter cerebrī (literally “hard mother of the brain”), calque of Arabic أُمّ الدِّمَاغ الصَفِيقَة (ʔumm al-ddimāḡ aṣ-ṣafīqa, literally “thick mother of the brain”).

• (Received Pronunciation) IPA^(key): /ˌdjʊə.ɹə ˈmeɪ.tə/
• (General American) IPA^(key): /ˈd(j)ʊɹ.ə ˌmeɪ.tɚ/, /ˈd(j)ʊɹ.ə ˌmɑt.ɚ/

• Audio (US)

  (file)

• Rhymes: -eɪtə(ɹ)

dura mater (plural durae matres or dura maters) (abbreviated dura)

1. (anatomy) The tough and inflexible outermost of the three layers of the meninges, enveloping the brain and spinal cord.

   Coordinate terms: arachnoid, pia mater

   • 1997, Chris Horrocks, Introducing Foucault, Totem Books; Icon Books, →ISBN, page 53:

     Hmm, false membranes are adhering to the arachnoidian layer of the dura mater. I’m directing my gaze into a world of constant visibility. Where does it hurt?

• “dura mater”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “dura mater”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• armatured

Borrowed from Latin dura mater.

dura mater f (uncountable)

1. dura mater

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