to vowel
Preserved but no longer current.
A gamester who does not immediately pay his losings, is said to vowel the winner, by repeating the vowels I. O. U. or perhaps from giving his note for the money according to the Irish form, where the acknowledgment of the debt is expressed by the letters I. O. U. which, the sum and name of the debtor being added, is deemed a sufficient security among gentlemen.
Era: ca. 1811 (Georgian)
Sources & notes
Historical definition reproduced from Grose’s Dictionary of the Vulgar Tongue (1811 edition, public domain; Project Gutenberg #5402, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “to vowel” mean?
A gamester who does not immediately pay his losings, is said to vowel the winner, by repeating the vowels I. O. U. or perhaps from giving his note for the money according to the Irish form, where the acknowledgment of the debt is expressed by the letters I. O. U. which, the sum and name of the debtor being added, is deemed a sufficient security among gentlemen.
Is “to vowel” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.