firkin

/ˈfɝkɪn/

//ˈfɝkɪn// noun

"firkin" is a 6-letter English headword indexed on PlainSpell.

The verdict

“firkin” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A varying measure of capacity, usually being a quarter of a barrel; specifically, a measure equal to nine imperial gallons.

Corpus desk

Index EN-firkin · firkin · English

firkin · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for firkin
PropertyValue
Headwordfirkin
LanguageEnglish
Part of speechNoun
IPA/ˈfɝkɪn/
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “firkin” in English

firkinsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

firkin is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈfɝkɪn/. Rarity is why readers land here mid-draft. 3 senses are on record.

Zero misspellings are on record for firkin in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From Middle Dutch *vierdekijn, diminutive of vierde (“fourth”), from vier (“four”); equivalent to fourth + -kin. The correct English form is firkin, spelled F-I-R-K-I-N.

Definition

  1. 1
    A varying measure of capacity, usually being a quarter of a barrel; specifically, a measure equal to nine imperial gallons.
  2. 2
    A small wooden vessel or cask of indeterminate size, used for butter, lard, etc.
  3. 3
    A measurement for the mass of butter, equalling 56 pounds.

Recorded use

Wiktionary examples

These source excerpts show how firkin appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. 23 Hen. VIII, cap. 4... The barrel of beer is to hold 36 gallons, the kilderkin 18 gallons the firkin 9. But the barrel, kilderkin, and firkin of ale are to contain 32, 16, and 8 gallons.
  2. But for his other guests he let bear in the massy cups of silver, and the great eared wine jars holding two firkins apiece, and he let pour forth to the Witches and the Foliots, and they drank the cup of memory unto King Gorice XI., slain that day by the hand of Goldry Bluszco.

Etymology

From Middle Dutch *vierdekijn, diminutive of vierde (“fourth”), from vier (“four”); equivalent to fourth + -kin.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "firkin"?
"firkin" is spelled F-I-R-K-I-N. The IPA pronunciation is /ˈfɝkɪn/.
What does "firkin" mean?
As a noun, "firkin" means: A varying measure of capacity, usually being a quarter of a barrel; specifically, a measure equal to nine imperial gallons.
How do you pronounce "firkin"?
The IPA (International Phonetic Alphabet) transcription for "firkin" is /ˈfɝkɪn/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "firkin"?
From Middle Dutch *vierdekijn, diminutive of vierde (“fourth”), from vier (“four”); equivalent to fourth + -kin. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list