🇯🇵Japanese Source WordCode: JA

Native Script:日本語

Pronunciation / Transliteration: kasa

🇬🇧 Direct English Meaning:
Pileus/ˈpaɪ.li.əs/
nounCEFR C2 (Proficient)Top #45000 frequency
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🇯🇵 Example Sentence in Japanese:

"キノコの傘の裏側にはヒダがあります。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The cap or umbrella-shaped part of a mushroom or toadstool that bears the spore-bearing surface.

    "The mycologist carefully measured the diameter of the brown pileus to help identify the mushroom species."
  2. 2

    A cap-like cloud (pileus cloud) that forms above a cumulus or cumulonimbus cloud.

    "A striking pileus formed above the towering storm cloud just before sunset."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin word 'pīleus', meaning a felt cap worn by ancient Romans, which itself traces back to the Greek 'pīlos' (felt). In modern biological nomenclature, the term was adopted to describe the cap-like structure of mushrooms and certain clouds due to its visual similarity to the ancient headwear.

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