placentaとは 意味・読み方・使い方

語源

Elision for phrases such as New Latin placenta uterī (“womb cake”), placenta uterina (“uterine cake”), from Latin placenta (“flat cake”), because of the flat round shape of the afterbirth.

発音

• enPR: plə-sĕn'tə, IPA: /pləˈsɛntə/
• 韻: -ɛntə

名詞

placenta (plural placentae or placentas)

1. (anatomy) An organ in most mammals during gestation that supplies food and oxygen to the foetus and passes back waste. It is on the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.

   Synonyms: afterbirth, (of an animal, UK, dialectal) clean, (of an animal, obsolete) glean

2. (botany) In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop.

   Synonym: (obsolete) trophosperm

等位語

(animalian):

• amnion, amnio-
• chorion, chorio-

派生語

アナグラム

• Tlapanec, pantacle

語源

Borrowed from Ancient Greek πλακόεντα (plakóenta), πλακοῦντα (plakoûnta), accusative of πλακόεις (plakóeis), πλακοῦς (plakoûs, “flat cake”), from πλάξ (pláx, “flat”).

発音

• (Classical Latin) IPA: [pɫaˈkɛn.ta]
• (modern Italianate Ecclesiastical) IPA: [plaˈt͡ʃɛn.ta]

名詞

placenta f (genitive placentae); first declension

1. a placenta cake; a round cake with a ribbed base and a convex top with a knob in the middle and a honey and cheese filling.
2. a dessert cake of any type
   • 20 BCE – 14 BCE, Horace, Epistles IX.9–11:

     Quid quaeris? Vivo et regno, simul ista reliqui
     Quae vos ad caelum fertis rumore secundo,
     Utque sacerdotis fugitivus liba recuso,
     Pane egeo iam mellitis potiore placentis.

     What do you want from me? I live, I am my own master, I left behind the self same things you by common approval so eagerly covet, like the fugitive I have no right to the priest's blessed cake, but bread will quench my hunger over any honeyed delicacy.

3. (New Latin) ellipsis of placenta uterī: placenta

語形変化

First-declension noun.

派生した語

• Aromanian: plãtsintã
• Romanian: plăcintă (see there for further descendants)

(Borrowed through New Latin:)

名詞

placentā

1. ablative singular of placenta

参照

Further reading

• “placenta”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “placenta”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “placenta”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• “placenta”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• Placenta cake on Wikipedia.Wikipedia