pileus

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pileus

  • /ˈpɪliəs/

Sounds like pileous · Rhymes with -ɪliəs

Where it comes from

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

noun pilei

  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.
  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.

    Similar: cap cloud, scarf cloud

  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.
  5. The top of the head of a bird, from the bill to the nape.

    Similar: pileum, crown

Translations

Every language

noun the cap of a mushroom

Españolpíleo, sombrerillo, sombrerete
한국어버섯갓 beoseot-gat
日本語傘 kasa
中文菌蓋 /菌盖 jùngài
Portuguêspíleo
Françaispileus
DeutschHut
Italianopileo
Ελληνικάπιλίδιο pilídio
Русскийшля́пка šljápka

noun small cloud

Españolpíleo
한국어필레우스 pille'useu
日本語頭巾雲 zukingumo
Françaispileus
DeutschPileus

noun felt hat worn in ancient Rome and Greece

Españolpíleo
한국어필레우스 pille'useu
Portuguêspíleo
Françaispileus
DeutschPileus
Italianopileo
Ελληνικάπίλος pílos
Русскийпилос pilos

Talk about this word

Cite this
MLA

"pileus." Wiktionary, via Micwyn, micwyn.com/word/pileus. Accessed 6 Nov. 2026.

APA

pileus. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/pileus

Chicago

"pileus." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/pileus.

BibTeX
@misc{pileus_2026,
  title = {pileus},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/pileus},
  urldate = {2026-11-06}
}