Bible Dictionaries
Pileus

Webster's Dictionary

(1):

(n.) The expanded upper portion of many of the fungi. See Mushroom.

(2):

(n.) A kind of skull cap of felt.

(3):

(n.) The top of the head of a bird, from the bill to the nape.

Bibliography Information
Webster, Noah. Entry for 'Pileus'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pileus.html. 1828.