Dictionary

pileus en · NOUN

Pronunciation

• /ˈpɪliəs/
• (Southern-England) audio

Etymology

Borrowed from Latin pīleus, a form of pilleus (“a felt cap”).

Meanings

1. The cap of a mushroom.
   • The stem is easily separable from the pileus at its junction, in this respect being similar to Amanita, Amanitopsis, Lepiota and others. 1903, George Francis Atkinson, chapter VII, in Studies of American Fungi. Mushrooms, Edible, Poisonous, etc., 2nd edition, New York: Henry Holt:
   • One must check the size and shape of the pileus as well as its color. Many weird and unexpected shapes are found in the mushroom kingdom. 1994, Barry H. Rumack, David G. Spoerke, Handbook of Mushroom Poisoning: Diagnosis and Treatment, CRC Press, →ISBN, page 75:
2. The bell of a jellyfish.
3. A small thin cloud attached to a cumulus cloud.
   • The most short-lived of all the accessory clouds, pileus is also the most beautiful. 2011, Gavin Pretor-Pinney, The Cloud Collector's Handbook, Hachette UK, →ISBN:
4. (Ancient-Rome, historical) A conical felt hat worn in Ancient Rome and Greece.
   • Among the Romans the cap of felt was the emblem of liberty. When a slave obtained his freedom he had his head shaved, and wore instead of his hair an undyed pileus. 1859, William Smith, editor, Dictionary of Greek and Roman Antiquities, page 920:
5. The top of the head of a bird, from the bill to the nape.

Forms

Coordinates

crest · Phrygian cap

Deriveds

pileiform

Hypernyms

accessory cloud

Meronyms

hymenium

Relateds

pileated

Synonyms

pileum · scarf cloud · cap cloud · crown

Translations (55)

uk шапинка (the cap of a mushroom) · el πίλος (felt hat worn in ancient Rome and Greece) · hu kalap (the cap of a mushroom) · ko 필레우스 (felt hat worn in ancient Rome and Greece) · ja 頭巾雲 (small cloud) · is hattur (the cap of a mushroom) · ru шля́пка (the cap of a mushroom) · de Hut (the cap of a mushroom) · is svepphattur (the cap of a mushroom) · it pileo (felt hat worn in ancient Rome and Greece) · de Pileus (small cloud) · pl kapelusz (the cap of a mushroom) · el πιλίδιο (the cap of a mushroom) · gl píleo (felt hat worn in ancient Rome and Greece) · ko 버섯갓 (the cap of a mushroom) · cs pileus (felt hat worn in ancient Rome and Greece) · uk шляпка (the cap of a mushroom) · bg гугла (the cap of a mushroom) · ca píleu (the cap of a mushroom) · de Pileus (felt hat worn in ancient Rome and Greece) · es sombrerete (the cap of a mushroom) · tr pilos (felt hat worn in ancient Rome and Greece) · sq plisi (felt hat worn in ancient Rome and Greece) · is skýjahetta (small cloud) · pl pilos (felt hat worn in ancient Rome and Greece) · pl pileus (small cloud) · eu pileo (the cap of a mushroom) · ca pili (the cap of a mushroom) · fr pileus (the cap of a mushroom) · ja 傘 (the cap of a mushroom) · gl píleo (small cloud) · cmn 菌蓋 /菌盖 (the cap of a mushroom) · fr pileus (small cloud) · es píleo (the cap of a mushroom) · it pileo (the cap of a mushroom) · pt píleo (the cap of a mushroom) · ko 필레우스 (small cloud) · fi lakki (the cap of a mushroom) · grc πῖλος (felt hat worn in ancient Rome and Greece) · fr pileus (felt hat worn in ancient Rome and Greece) · es sombrerillo (the cap of a mushroom) · es píleo (small cloud) · et kübar (the cap of a mushroom) · sv hatt (the cap of a mushroom) · cs klobouk (the cap of a mushroom) · ru пилос (felt hat worn in ancient Rome and Greece) · ca píleu (small cloud) · sh klobuk (the cap of a mushroom) · lt pilosas (felt hat worn in ancient Rome and Greece) · et seenekübar (the cap of a mushroom) · es píleo (felt hat worn in ancient Rome and Greece) · fi huntu (small cloud) · ca pili (felt hat worn in ancient Rome and Greece) · gl píleo (the cap of a mushroom) · pt píleo (felt hat worn in ancient Rome and Greece)