Dictionary.com

pia mater

[ pahy-uh-mey-ter, pee-uh ]
/ ˈpaɪ ə ˈmeɪ tər, ˈpi ə /
Save This Word!

noun Anatomy.
the delicate, fibrous, and highly vascular membrane forming the innermost of the three coverings of the brain and spinal cord.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of pia mater

First recorded in 1350–1400; Middle English, from Medieval Latin: literally, “pious mother,” erroneous translation of Arabic umm raqīqah “tender mother,” Arabic umm “mother” also serving as an indicator of relationship between things; cf. dura mater

Words nearby pia mater

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use pia mater in a sentence

British Dictionary definitions for pia mater

pia mater
/ (ˈpaɪə ˈmeɪtə) /

noun
the innermost of the three membranes (meninges) that cover the brain and spinal cordSee meninges

Word Origin for pia mater

C16: from Medieval Latin, literally: pious mother, intended to translate Arabic umm raqīqah tender mother
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for pia mater

pia mater
[ pīə mātər, pēə mätər ]

The fine vascular membrane that closely envelops the brain and spinal cord under the arachnoid and the dura mater.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK