acer

From the genus name.

• (UK) IPA^(key): /ˈeɪsə/

• Audio (Southern England):

  (file)

• (General American) IPA^(key): /ˈeɪsɚ/, /ˈɑkɛɚ/

acer (plural acers)

1. A plant of the genus Acer; a maple.
   • 1842, The Gardener's Magazine, page 611:

     In the plantations to which we allude, there were also some American acers and the Norway maple, exhibiting dark reds and rich yellows.

• “acer”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
• “acer”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

acer (plural acers)

1. Obsolete spelling of acre.

• race-, -care, Cera, Care, care, Race, caer, e-car, CERA, Acre, acre, Crea, race

Inherited from Late Latin aciārium, from Latin aciēs, from Proto-Indo-European *h₂eḱ- (“sharp, pointed”). Compare French acier, Galician aceiro, Italian acciaio, Occitan acièr, Portuguese aço, Spanish acero.

• IPA^(key): (Central, Balearic) [əˈser]
• IPA^(key): (Valencia) [aˈser]

• Audio (Catalonia):

  (file)

acer m (uncountable)

1. steel

• acerar

• “acer”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “acer” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

From Proto-Italic *akris, from Proto-Indo-European *h₂eḱrós (“sharp”). The change from o-stem to i-stem declension is irregular and not fully explained. Likewise, Latin has irregular lengthening of the vowel. Cognate with Ancient Greek ἄκρος (ákros).^[1]

• ācrus (late, proscribed)

• (Classical Latin) IPA^(key): [ˈaː.kɛr]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈaː.t͡ʃer]

ācer (feminine ācris, neuter ācre, comparative ācrior, superlative ācerrimus, adverb ācriter); third-declension three-termination adjective

1. sharp, sour, bitter, pungent

   Synonyms: asper, acerbus, frāctus

2. keen, sharp, acute, sagacious
3. energetic, active, vigorous

   Synonyms: strēnuus, impiger, vīvus, alacer, fortis

   Antonym: sēgnis

4. eager, zealous, spirited

   Synonyms: dēsīderōsus, studiōsus, sēdulus, intentus, libēns, cupidus, impiger, aspīrāns

5. subtle
6. severe, violent, cruel, hot

   Synonyms: violēns, trux, ferōx, immānis, efferus, ferus, crūdēlis, sevērus, acerbus

   Antonyms: misericors, mītis, tranquillus, placidus, quiētus, clēmēns

7. penetrating, piercing

Third-declension three-termination adjective.

• acerbus
• acervus

(See also acrus.)

• Ancient borrowings:
  • → Old Irish: aicher
    • Irish: aichear
• Later borrowings:
  • → Catalan: acre
  • →⇒ English: acrid, acrylic
  • → Esperanto: akra
  • → French: âcre
  • → Italian: acre
  • → Portuguese: acre
  • → Spanish: acre

Same as Etymology 1, with reference to multi-pointed leaves.^[2]

• (Classical Latin) IPA^(key): [ˈa.kɛr]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈaː.t͡ʃer]

acer n (genitive aceris); third declension

1. maple tree

Third-declension noun (neuter, imparisyllabic non-i-stem).

• acernus

• Catalan: auró
• Esperanto: acero
• French: érable (partly)
• Italian: acero
• Portuguese: ácer
• Romanian: arțar
• Spanish: ácere, arce
• → Translingual: Acer (learned)

• “acer”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “acer”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “acer”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • the pain is very severe: acer morsus doloris est (Tusc. 2. 22. 53)
    
• Walther von Wartburg (1928–2002), “acer”, in Französisches Etymologisches Wörterbuch, volume 24: Refonte A–Aorte, page 94

• IPA^(key): /ɑːˈd͡ʒɛɾ/

acer (Arabic spelling ئاجەر)

1. alternative form of ecer

• Chyet, Michael L. (2020), “acer”, in Ferhenga Birûskî: Kurmanji–English Dictionary (Language Series; 1), volume 1, London: Transnational Press, page 1

See acier.

acer oblique singular, m (nominative singular acers)

1. alternative form of acier

From Middle English aker.

• (North Wales, standard, colloquial) IPA^(key): /ˈakɛr/
  • (North Wales, colloquial) IPA^(key): /ˈakar/
• (South Wales) IPA^(key): /ˈakɛr/

acer f (plural aceri)

1. acre

   Synonyms: cyfair, erw

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke, et al., editors (1950–present), “acer”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies