noun · 6 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˌævədəˈpɔɪz/
Received-Pronunciation:/ˌævwɑːdjuːˈpwɑː/
Southern-England:Recorded audio is listed in the source snapshot.
US:/ˌævɚdəˈpɔɪz/
rhymes with -ɔɪz
rhymes with -ɑː
1
noun
Meaning 1
The official system of weights used in the UK between 1856 and 1963. It had been the customary system in London since 1300.
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The official system of weights used in the USA between 1866 and 1959.
Definition source: English Wiktionary via Wiktextract
Usage: historical, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
Weight; heaviness.
Definition source: English Wiktionary via Wiktextract
Usage: humorous, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
Merchandise.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, uncountable, usually
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
excess bodily weight
Definition source: Princeton WordNet 3.0
Examples
she disliked fatness in herself as well as in others
a system of weights based on the 16-ounce pound (or 7,000 grains)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: avoirdupois weight
Antonyms: none provided
Broader terms: system of weights, weight
History
Etymology
From Middle English avoir de pois, aver de peis, haburdy poyse, haburdepays, haburdepeyse, from Old French aveir + de + peis (“asset of weight”), influenced by Middle French avoir + du + pois; compare French poids (“weight”).