noun · verb · 10 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/k(w)ɔɪn/
US:Recorded audio is listed in the source snapshot.
homophone: coin
homophone: coign
rhymes with -ɔɪn
CMU ARPABET:K W OY1 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Any of the corner building blocks of a building, usually larger or more ornate than the surrounding blocks.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The keystone of an arch.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A metal wedge which fits into the space between the type and the edge of a chase, and is tightened to fix the metal type in place.
Definition source: English Wiktionary via Wiktextract
Usage: historical
Topics: media, printing, publishing
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A form of wedge used to prevent casks from moving.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
Topics: nautical, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
A wedge of wood or iron put under the breech of heavy guns or the muzzle of siege-mortars to raise them to the proper level.
Definition source: English Wiktionary via Wiktextract