arco

From Italian arco (“bow”). Doublet of arch and arc.

arco (not comparable)

1. (music) A note in string instrument musical notation indicating that the bow is to be used in the usual way, usually following a passage that is played pizzicato.

arco (plural archi)

1. (music) A passage to be played in this way.

• ocra, acro-, acro, Caro, AOCR, orca, CRAO, Roca, RAOC, Cora

Inherited from Spanish arco (“arch”).

• IPA^(key): /ˈaɾko/, [ˈaɾ.ko]
• Hyphenation: ar‧co

arco

1. arch

Borrowed from Spanish arco.

• IPA^(key): /aɾko/

arco

1. (architecture) arch

• Gómez Aldana D. F., Análisis morfológico del Vocabulario 158 de la Biblioteca Nacional de Colombia. Grupo de Investigación Muysccubun. 2013.

Inherited from Old Galician-Portuguese arco, from Latin arcus.

• IPA^(key): /ˈaɾko/ [ˈaɾ.kʊ]

• Audio:

  (file)

• Rhymes: -aɾko
• Hyphenation: ar‧co

arco m (plural arcos)

1. bow (weapon)
2. (geometry) arc
3. (architecture) arch
4. hoop (of a barrel)
5. each one of the circles of a water wheel
6. Moon's halo

• Antón Luís Santamarina Fernández, editor (2006–2013), “arco”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “arco”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Rosario Álvarez Blanco, editor (2014–2024), “arco”, in Tesouro do léxico patrimonial galego e portugués (in Galician), Santiago de Compostela: Instituto da Lingua Galega, →ISSN

Inherited from Latin arcus.

arco m

1. arch

• Antonio Pellizzer; Giovanni Pellizzer (1992), Vocabulario del dialetto di Rovigno d'Istria, page 62
• Sandro Cergna (2015), Vocabolario del dialetto di Valle d'Istria, →ISBN, page 27

From Latin arcus, from Proto-Indo-European *h₂erkʷo- (“bow, arrow”).

• IPA^(key): /ˈar.ko/

• Audio:

  (file)

• Rhymes: -arko
• Hyphenation: àr‧co

arco m (plural archi)

1. bow (weapon)

   tirare con l'arco ― to pull back a bow

2. (music) bow (used to play string instruments)

   suonare con arco ― to play (music) with bow

3. (geometry) arc
4. (architecture) arch

• freccia f (weaponry)
• balestra f (weaponry)
• archetto m (weaponry)
• arcata f (architecture)
• volta f (architecture)
• curva f (by extension)
• curvatura f (by extension)
• gamma f
• ventaglio m
• spettro m
• schieramento m (politics)
• corso m (figurative)
• periodo m (figurative)

• acro, acro-, caro, ocra, orca, roca

• arquo

Inherited from Latin arcus.

arco m (plural arcos)

1. (archery) bow
2. (architecture) arch

• Fala: arcu, alcu
• Galician: arco
• Portuguese: arco
  • → Indonesian: arku

• Ferreiro, Manuel (2014–2026), “arco”, in Universo Cantigas: edición crítica da poesía medieval galego-portuguesa [Universo Cantigas: critical edition of Galician-Portuguese medieval poetry] (in Galician), A Coruña: University of A Coruña, →ISSN
• Seoane, Ernesto Xosé González; Granja, María Álvarez de la; Agrelo, Ana Isabel Boullón (2006–2022), “arco”, in Dicionario de Dicionarios do galego medieval [Dictionary of dictionaries of Medieval Galician] (in Galician), Santiago de Compostela: Instituto da Lingua Galega
• Barreiro, Xavier Varela; Guinovart, Xavier Gómez (2006–2018), “arco”, in Corpus Xelmírez: corpus lingüístico da Galicia medieval [Corpus Xelmírez: linguistic corpus of Medieval Galicia] (in Galician), Santiago de Compostela: Instituto da Lingua Galega

• (Northeast Brazil) IPA^(key): /ˈah.ku/
• Rhymes: -aʁku, -aɾku
• Hyphenation: ar‧co

From Old Galician-Portuguese arco, arquo (“arch, bow”), from Latin arcus (“bow”), from Proto-Indo-European *h₂erkʷo- (“bow, arrow”).

arco m (plural arcos)

1. (geometry) arc
2. arc, curve

   Synonym: curva

3. (architecture) arch
4. bow (weapon)

   Synonym: arco e flecha

5. bow (rod used to play stringed instruments)
6. (dentistry) archwire (orthodontic wire conforming to the alveolar or dental arch)
7. (ophthalmology) arcus (white band of cholesterol that forms at the edge of the cornea)

See the etymology of the corresponding lemma form.

arco

1. first-person singular present indicative of arcar

• “arco”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “arco”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Inherited from Latin arcus (whence English archery), from Proto-Indo-European *h₂erkʷo- (“bow, arrow”). In some senses inherited, in others borrowed directly from Latin. Cognate with English arrow, arc, and arch.

• IPA^(key): /ˈaɾko/ [ˈaɾ.ko]

• Audio (Colombia):

  (file)

• Rhymes: -aɾko
• Syllabification: ar‧co

arco m (plural arcos)

1. bow (weapon)

   tirar con arco ― to shoot with a bow

2. (music) bow (rod for an instrument)
3. (geometry) arc
4. (storytelling, literature) arc
5. (architecture) arch
6. (sports, Latin America) goal (structure)

   Synonym: portería

• flecha

• “arco”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025