pileus

[ pahy-lee-uhs, pil-ee- ]

/ ˈpaɪ li əs, ˈpɪl i- /

noun, plural pi·le·i [pahy-lee-ahy, pil-ee-ahy] /ˈpaɪ liˌaɪ, ˈpɪl iˌaɪ/ for 1, 2, 4, pi·le·us for 3.

Mycology. the horizontal portion of a mushroom, bearing gills, tubes, etc., on its underside; a cap.

Zoology.

the umbrella or bell of a jellyfish.
pileum.

Also called cap cloud, scarf cloud. Meteorology. a small, thin cloud just above or attached to a growing cumulus cloud.

a felt skullcap worn by the ancient Romans and Greeks.

Origin of pileus

1750–60; <New Latin, special use of Latin pīleus skullcap; akin to Greek pîlos felt, felt cap

Words nearby pileus

pileous gland, piles, pile shoe, pileum, pileup, pileus, pilewort, pilfer, pilferage, pilgarlic, pilgrim

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pileus

The universal veil, if present at all, is seen only on the margin of the pileus like frost or silky dew.
The Mushroom, Edible and Otherwise|M. E. Hard
Pileus slender, campanulate, usually striate, margin straight and adpressed to stem when young.
European Fungus Flora: Agaricaceae|George Massee
The cuticle is smoky olive to fuliginous, darker when young, becoming paler as the pileus expands, but always darker on the umbo.
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.|George Francis Atkinson
The pileus is smooth, quite thick and firm, convex to expanded.
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.|George Francis Atkinson

They are lighter in color than the pileus and I have never observed the yellow tint in them.
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.|George Francis Atkinson

British Dictionary definitions for pileus

pileus

/ (ˈpaɪlɪəs, ˈpɪl-) /

noun plural -lei (-lɪˌaɪ)

the upper cap-shaped part of a mushroom or similar spore-producing body

Word Origin for pileus

C18 (botanical use): New Latin, from Latin: felt cap

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for pileus

pileus

[ pī′lē-əs ]

Plural pilei (pī′lē-ī′)

The umbrellalike fruiting structure forming the top of a fleshy fungus. It is supported by the stipe. The cap of a mushroom is a pileus.

单词	pileus
释义	pileus [ pahy-lee-uhs, pil-ee- ] / ˈpaɪ li əs, ˈpɪl i- / noun, plural pi·le·i [pahy-lee-ahy, pil-ee-ahy] /ˈpaɪ liˌaɪ, ˈpɪl iˌaɪ/ for 1, 2, 4, pi·le·us for 3. Mycology. the horizontal portion of a mushroom, bearing gills, tubes, etc., on its underside; a cap. Zoology. the umbrella or bell of a jellyfish. pileum. Also called cap cloud, scarf cloud. Meteorology. a small, thin cloud just above or attached to a growing cumulus cloud. a felt skullcap worn by the ancient Romans and Greeks. Origin of pileus 1750–60; <New Latin, special use of Latin pīleus skullcap; akin to Greek pîlos felt, felt cap Words nearby pileus pileous gland, piles, pile shoe, pileum, pileup, pileus, pilewort, pilfer, pilferage, pilgarlic, pilgrim Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pileus The universal veil, if present at all, is seen only on the margin of the pileus like frost or silky dew. The Mushroom, Edible and Otherwise\|M. E. Hard Pileus slender, campanulate, usually striate, margin straight and adpressed to stem when young. European Fungus Flora: Agaricaceae\|George Massee The cuticle is smoky olive to fuliginous, darker when young, becoming paler as the pileus expands, but always darker on the umbo. Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.\|George Francis Atkinson The pileus is smooth, quite thick and firm, convex to expanded. Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.\|George Francis Atkinson They are lighter in color than the pileus and I have never observed the yellow tint in them. Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.\|George Francis Atkinson British Dictionary definitions for pileus pileus / (ˈpaɪlɪəs, ˈpɪl-) / noun plural -lei (-lɪˌaɪ) the upper cap-shaped part of a mushroom or similar spore-producing body Word Origin for pileus C18 (botanical use): New Latin, from Latin: felt cap Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for pileus pileus [ pī′lē-əs ] Plural pilei (pī′lē-ī′) The umbrellalike fruiting structure forming the top of a fleshy fungus. It is supported by the stipe. The cap of a mushroom is a pileus. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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