[ɑːtʃ], (Noun)

Definitions:
- a curved symmetrical structure spanning an opening and typically supporting the weight of a bridge, roof, or wall above it


Phrases:

Origin:
Middle English: from Old French arche, based on Latin arcus ‘bow’

[ɑːtʃ], (Verb)

Definitions:
- have the curved shape of an arch
(e.g: a beautiful bridge that arched over a canal)


Phrases:

Origin:
Middle English: from Old French arche, based on Latin arcus ‘bow’

[ɑːtʃ], (Adjective)

Definitions:
- deliberately or affectedly playful and teasing
(e.g: a somewhat arch tone of voice)


Phrases:

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