subarachnoid

play
adjective sub·arach·noid \-ə-ˈrak-ˌnȯid\

Definition of subarachnoid

  1. :  of, relating to, occurring, or situated under the arachnoid membrane <subarachnoid hemorrhage>

1843

First Known Use of subarachnoid

1843

Variants of subarachnoid

or less commonly

subarachnoidal

play \-rak-ˈnȯi-dəl\

Medical Dictionary

subarachnoid

play
adjective sub·arach·noid \ˌsəb-ə-ˈrak-ˌnȯid\

Medical Definition of subarachnoid

  1. 1:  situated or occurring under the arachnoid membrane <subarachnoid hemorrhage>

  2. 2:  of, relating to, or involving the subarachnoid space and the fluid within it <subarachnoid meningitis>

Variants of subarachnoid

also

subarachnoidal

\-rak-ˈnȯid-əl\play

Seen and Heard

What made you want to look up subarachnoid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a principle or belief held by a group

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ