Strong’s Greek
G4344 — proskephalaion
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
προσκεφάλαιον
proskephalaion — pronounced pros-kef-al'-ahee-on
neuter of a presumed compound of 4314 and 2776; something for the head, i.e. a cushion:--pillow. see GREEK for 4314 see GREEK for 2776
1 occurrence in the KJV.
Mark 4:38
And he was in the hinder part of the ship, asleep on a pillow: and they awake him, and say unto him, Master, carest thou not that we perish?