arc

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|astronomy}} That part of a [[circle]] which a [[heavenly body]] appears to pass through as it moves above and below the horizon. {{defdate|from 14th c.}}
2. {{lb|en|geometry}} A continuous part of the [[circumference]] of a circle ([[circular arc]]) or of another curve. {{defdate|from 16th c.}}
3. A [[curve]], in general. {{defdate|from 17th c.}} {{C|en|Curves}}
4. A band contained within parallel curves, or something of that shape. {{defdate|from 17th c.}}
5. {{lb|en|electrics}} A [[flow]] of [[current]] across an [[insulating]] medium; especially a [[hot]], [[luminous]] [[discharge]] either between two [[electrode]]s or as [[lightning]]. {{defdate|from 19th c.}}
6. {{lb|en|narratology}} {{ellipsis of|en|story arc}}. {{defdate|from 20th c.}}
7. {{lb|en|mathematics}} A [[continuous]] [[mapping]] from a [[real]] [[interval]] (typically <nowiki>[0, 1]</nowiki>) into a [[space]].
8. {{lb|en|graph theory}} A [[directed edge]].
9. {{lb|en|basketball|slang}} The [[three-point line]].
10. {{lb|en|film}} An [[arclight]].

Verb

1. {{lb|en|ambitransitive}} To move following a curved path.
2. {{lb|en|transitive}} To shape into an arc; to hold in the form of an arc.
3. {{lb|en|intransitive}} To form an electrical arc.

Proper noun

1. {{lb|en|historical}} A suggested location where the historical figure {{w|Joan of Arc}}, or her father, were from.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.