different between cumulus vs pileus

English

Etymology

Borrowed from Latin cumulus. Doublet of comble.

Pronunciation

• (UK, US) IPA^(key): /?kju?mj?l?s/
• Rhymes: -u?mj?l?s
• Hyphenation: cu?mu?lus

Noun

cumulus (plural cumuli)

1. A large white puffy cloud that develops through convection. On a hot, humid day, they can form towers and even become cumulonimbus clouds.
   • 2007 September 1, "Who’s afraid of Google?: The world’s internet superpower faces testing times", in The Economist, The Economist Newspaper Ltd, ISSN 0013-0613, volume 384, number 8544, page 9,

     Ironically, there is something rather cloudlike about the multiple complaints surrounding Google. The issues are best parted into two cumuli: a set of “public” arguments about how to regulate Google; and a set of “private” ones for Google’s managers, to do with the strategy the firm needs to get through the coming storm.

2. A mound or heap.

Translations

Finnish

Etymology

Borrowed from Latin cumulus.

Pronunciation

• IPA^(key): /?kumulus/, [?kumulus?]
• Syllabification: cu?mu?lus

Noun

cumulus

1. cumulus (cloud)

Declension

Synonyms

• cumuluspilvi
• kumpupilvi

Latin

Etymology

From Proto-Indo-European *ku-m-olo, from *?ewh?- (“to swell”); see also Lithuanian saunas (“firm, fit, solid, capable”), Ancient Greek ??? (kú?), and Sanskrit ?????? (?vayati, “swell”).

Pronunciation

• (Classical) IPA^(key): /?ku.mu.lus/, [?k?m????s?]
• (Ecclesiastical) IPA^(key): /?ku.mu.lus/, [?ku?mulus]

Noun

cumulus m (genitive cumul?); second declension

1. heap, pile
2. surplus
3. summit

Declension

Second-declension noun.

Derived terms

• cumul?

Descendants

References

• cumulus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• cumulus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• cumulus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• cumulus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?^[1], London: Macmillan and Co.
• cumulus in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700?^[2], pre-publication website, 2005-2016

English

Etymology

Borrowed from Latin pilleus (“a felt cap”).

Pronunciation

• IPA^(key): /?p?li?s/
• Homophone: pileous

Noun

pileus (plural pilei)

1. (mycology) The cap of a mushroom.

   Meronym: hymenium

   • 1994, Barry H. Rumack, David G. Spoerke, Handbook of Mushroom Poisoning: Diagnosis and Treatment, CRC Press (?ISBN), page 75:

     One must check the size and shape of the pileus as well as its color. Many weird and unexpected shapes are found in the mushroom kingdom.

2. The bell of a jellyfish.
3. (meteorology) A small thin cloud attached to a cumulus cloud.

   Synonyms: cap cloud, scarf cloud

   Hypernym: accessory cloud

   • 2011, Gavin Pretor-Pinney, The Cloud Collector's Handbook, Hachette UK (?ISBN)

     The most short-lived of all the accessory clouds, pileus is also the most beautiful.

4. (historical, Ancient Rome) A conical felt hat worn in Ancient Rome and Greece.

   Coordinate term: Phrygian cap

   • 1859, William Smith (ed.), Dictionary of Greek and Roman Antiquities, page 920:

     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.

   Synonym: crown

Translations

Further reading

• pileus (meteorology) on Wikipedia.Wikipedia
• pileus (hat) on Wikipedia.Wikipedia
• pileus (mycology) on Wikipedia.Wikipedia

Anagrams

• epulis

Latin

Pronunciation

• (Classical) IPA^(key): /?pi?.le.us/, [?pi???e?s?]
• (Ecclesiastical) IPA^(key): /?pi.le.us/, [?pi?l?us]

Noun

p?leus m (genitive p?le?); second declension

1. Alternative spelling of pilleus

Declension

Second-declension noun.

References

• p?l?us (pill-) in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette, page 1,181/1