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pileus
[ pahy-lee-uhs, pil-ee- ]
noun
- 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, Meteorology. a small, thin cloud just above or attached to a growing cumulus cloud.
- a felt skullcap worn by the ancient Romans and Greeks.
pileus
/ ˈpɪl-; ˈpaɪlɪəs /
noun
- the upper cap-shaped part of a mushroom or similar spore-producing body
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.
Word History and Origins
Origin of pileus1
Word History and Origins
Origin of pileus1
Example Sentences
Pileus: At first globular, its edge connected to stem by the veil; then round convex, at length becoming possibly almost flat.
Pileus: Expansion two to four inches; color varying from pale bright pink to deep scarlet; very smooth.
Average diameter of extended pileus of each of these species about three and one-half inches; veil absent in each.
Pileus: Firm, solid; greenish or pinkish-gray; at first convex, with flat top, ultimately rising from centre to rim.
Pileus: In shape like above, varying in color from bright red to dull, subdued purplish, with a distinct bloom.
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