arch.
An inverted U shape.
Meaning & usage
An inverted U shape.
An arch-shaped arrangement of trapezoidal stones, designed to redistribute downward force outward.
An architectural element having the shape of an arch
Any place covered by an arch; an archway.
to pass into the arch of a bridge
An arc; a part of a curve.
A natural arch-shaped opening in a rock mass.
The curved part of the bottom of a foot.
Where this word comes from
Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcus Old French arc Old French archebor. Middle English arch English arch From Middle English arch, arche, from Old French arche (“an arch”), a feminine form of arc, from Latin arcus (“a bow, arc, arch”). Doublet of arc and arco. Displaced native Old English bīeġels and Old English hwealf.
To form into an arch shape.
The cat arched its back.
To cover with an arch or arches.
Where this word comes from
Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcus Old French arc Old French archebor. Middle English arch English arch From Middle English arch, arche, from Old French arche (“an arch”), a feminine form of arc, from Latin arcus (“a bow, arc, arch”). Doublet of arc and arco. Displaced native Old English bīeġels and Old English hwealf.
Knowing, clever, mischievous.
I attempted to hide my emotions, but an arch remark escaped my lips.
Cute, sly, prematurely wise.
Principal; primary.
They were arch enemies.
Where this word comes from
Etymology tree Proto-Indo-European *h₂er-der.? Proto-Indo-European *h₂ergʰ-der.? Ancient Greek ἄρχω (árkhō) Ancient Greek ἀρχι- (arkhi-)der. Latin archi-bor. Old English arċe- Middle English arch- English arch- English arch From the prefix arch-. "Principal" is the original sense; "mischievous" is via onetime frequent collocation with rogue, knave, etc.
A chief.
Synonym of god (“person who owns and runs a multi-user dungeon”).
Where this word comes from
Etymology tree Proto-Indo-European *h₂er-der.? Proto-Indo-European *h₂ergʰ-der.? Ancient Greek ἄρχω (árkhō) Ancient Greek ἀρχι- (arkhi-)der. Latin archi-bor. Old English arċe- Middle English arch- English arch- English arch From the prefix arch-. "Principal" is the original sense; "mischievous" is via onetime frequent collocation with rogue, knave, etc.
An architecture; a computer architecture or instruction set architecture.
In the Linux kernel, arch-specific code lives in the arch directory of the source tree.
Where this word comes from
Etymology tree Proto-Indo-European *h₂er-der.? Proto-Indo-European *h₂ergʰ-der.? Ancient Greek ἄρχω (árkhō) Ancient Greek ἀρχι- (arkhi-) Proto-Indo-European *teḱ- Proto-Indo-European *tetḱ- Proto-Indo-European *-ō Proto-Indo-European *tétḱō Proto-Hellenic *téktōn Ancient Greek τέκτων (téktōn) Ancient Greek ἀρχιτέκτων (arkhitéktōn)bor. Latin architectus Proto-Indo-European *-tew-? Proto-Indo-European *-r-eh₂? Latin -tūra Latin architectūralbor. French architecturebor. English architectureclip. English arch Clipping of architecture.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.