There are 2 definitions of arch in English:

arch1

Line breaks: arch
Pronunciation: /ɑːtʃ
 
/

noun

  • 1A curved symmetrical structure spanning an opening and typically supporting the weight of a bridge, roof, or wall above it.
    More example sentences
    • The result brings to mind support structures for vaulted arches (for instance Gaudi's Sagrada Familia).
    • The arches supporting the weight above still held as strong as the day they were built.
    • The primary structure of steel arches was chosen to span a cavernous underground cistern, part of the city's drainage system, and avoid underwater foundations.
    Synonyms
    archway, vault, span, dome; bridge
  • 1.1An arch forming a monument or ornamental feature: a triumphal arch
    More example sentences
    • That feature most symbolic of entrance, the triumphal arch, is to be found only at the foot of the Capitol, where the ancient texts place it.
    • Pusading's ornamental arch has a pair of stone lions and the stone wall facing them was apparently built to block their vision.
    • The Corinthia consists of two curving towers, one slightly taller than the other, linked by a cavernous reception area topped by a triumphal arch.
  • 1.2A shape resembling an arch: the delicate arch of his eyebrows
    More example sentences
    • The Helium filled balloons which had formed an arch of honour over the entrance gate were tied to the two coaches and accompanying cars to make for a colourful entryway.
    • At the church entrance John's rowing companions formed an arch of oars, under which John's remains passed.
    • Under the arch of her eyebrows, her wide brown eyes glowed with their vague hint of secrecy, their quiet incandescence.
    Synonyms
  • 1.3The inner side of the foot: the muscles in the arch of my right foot suddenly seized up
    More example sentences
    • Start off by massaging your entire foot - heel, arch and toes.
    • Flat feet, low arches, and loose ligaments also contribute to the formation of bunions.
    • Most of it's standard - obviously if you spend a lot of time crouched over, you'll have a sore back - but I'm slightly worried that the arches of my feet hurt.

verb

[no object, with adverbial of place] Back to top  
  • 1Have the curved shape of an arch: a beautiful bridge that arched over a canal
    More example sentences
    • And the tree grew thick, leafy branches that arched over the boy.
    • But the reward was generous - a tremulous rainbow arched over the mountains, shaggy with greenery.
    • All of a sudden, the sky cleared, became blue and a perfect rainbow arched over me with one end in the sand.
  • 1.1Form or cause to form the curved shape of an arch: [no object]: her eyebrows arched in surprise [with object]: she arched her back
    More example sentences
    • Larry glanced at Adam, eyebrows arching in surprise.
    • Louis took the letter, his eyebrows arching in surprise, and thanked the secretary.
    • Her face was pale, very pale - her golden eyebrows slightly arched in surprise as she saw me.
    Synonyms
    curve, bow, bend, arc, curl

Origin

Middle English: from Old French arche, based on Latin arcus 'bow'.

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Word of the day skosh
Pronunciation: skōSH
noun
a small amount; a little

There are 2 definitions of arch in English:

arch2

Line breaks: arch
Pronunciation: /ɑːtʃ
 
/

adjective

Derivatives

archly

adverb
More example sentences
  • ‘You will observe,’ wrote Jawaharlal Nehru archly to a Cabinet colleague, ‘that we have disturbed the hornet's nest and I believe most of us are likely to be badly stung.’
  • ‘Of course I have,’ she countered archly, ‘you just forgot.’
  • ‘He thinks it's ostentatious,’ says Boss archly.

archness

noun
More example sentences
  • The archness doesn't really get in the way of the crime fighting, but it does lift this book from potentially boring to perfectly diversionary summer reading.
  • There is no archness in the presentation of this stuff; it does not read with a hint of irony, it has no sly jokes between the lines, no punchlines whatsoever.
  • I found this a satisfying device, teetering on archness, but successful in maintaining a playful tone.

Origin

mid 17th century: from arch-, by association with the sense 'rogue' in combinations such as arch-scoundrel.

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Definition of arch in: