• Webster's Revised Unabridged Dictionary
    • a Pial (Anat) Pertaining to the pia mater.
    • ***
Century Dictionary and Cyclopedia
    • pial Of or pertaining to the pia mater; pia-matral.
    • ***


In literature:

Piale's establishment contains a number of different rooms.
"Rollo in Rome" by Jacob Abbott
The excess of fluid is found both in the arachno-pial space and in the ventricles.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
A knot of loungers stood, talking eagerly, round the stove in Piale's reading-room.
"A Night on the Borders of the Black Forest" by Amelia B. Edwards
He could join the family in the pial, but otherwise lead his own life as he had learned to lead it in England.
"The Outcaste" by F. E. Penny