Enter a clue or pattern or both:
The Clue
Brain-enveloping membranes (8 letter answer)
The Answer
MENINGES
Tags
Notes
The answer MENINGES is so rare that it appears less than once every 2500 puzzles.
Definition
MENINGES as a noun:
1. (meninx, meninges) = a membrane (one of 3) that envelops the brain and spinal cord