pileus
Mycology. the horizontal portion of a mushroom, bearing gills, tubes, etc., on its underside; a cap.
Zoology.
the umbrella or bell of a jellyfish.
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
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use pileus in a sentence
He pitched forward and fell on his face, his hands outstretched towards the cluster of pilei.
The Plattner Story and Others | H. G. WellsTheir radiately cracked pilei, with the inner substance showing yellow through the cracks, will help to distinguish the species.
The Mushroom, Edible and Otherwise | M. E. HardThe flesh was somewhat lighter in color than the outside pilei, which extended horizontally from the tubercle.
The Mushroom, Edible and Otherwise | M. E. HardThere are many pilei growing one above the other, plane, margin straight, whole.
The Mushroom, Edible and Otherwise | M. E. HardPilei soft-corinaceous, much branched; the branches flattened, furrowed and somewhat dilated at the apex.
The Mushroom, Edible and Otherwise | M. E. Hard
British Dictionary definitions for pileus
/ (ˈpaɪlɪəs, ˈpɪl-) /
the upper cap-shaped part of a mushroom or similar spore-producing body
Origin of pileus
1Collins 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
[ pī′lē-əs ]
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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