follicle

noun

fol·​li·​cle ˈfä-li-kəl How to pronounce follicle (audio)
1
a
: a small anatomical cavity or deep narrow-mouthed depression
b
: a small lymph node
c
: a vesicle in the mammalian ovary that contains a developing egg surrounded by a covering of cells
especially : graafian follicle
2
: a dry dehiscent one-celled many-seeded fruit (as of the milkweed) that has a single carpel and opens along one suture
follicular
fə-ˈli-kyə-lər How to pronounce follicle (audio)
fä-
adjective

Examples of follicle in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Minoxidil prolongs the growth phase of those follicles. — Allison Palmer, Kansas City Star, 22 June 2026 It’ll eventually be pushed out by a new follicle underneath in the telogen phase, and the process repeats itself. — Alanna Martine Kilkeary, Glamour, 17 June 2026 After several months, the old hair is shed, the follicle reactivates and a new anagen cycle begins. — Scott Travers, Forbes.com, 29 June 2026 Minoxidil improves blood flow to follicles and must be used indefinitely to maintain results. — Allison Palmer, Miami Herald, 22 June 2026 See All Example Sentences for follicle

Word History

Etymology

New Latin folliculus, from Latin, diminutive of follis bag — more at fool

First Known Use

1715, in the meaning defined at sense 1a

Time Traveler
The first known use of follicle was in 1715

Phrases Containing follicle

Rhymes for follicle

See All Rhymes for follicle

Browse Nearby Words

folletto
follicle
follicle mite
See all Nearby Words

Cite this Entry

“Follicle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/follicle. Accessed 7 Jul. 2026.

Copy Citation

Kids Definition

follicle

noun
fol·​li·​cle ˈfäl-i-kəl How to pronounce follicle (audio)
1
a
: a small cavity or a deep bodily depression with a narrow mouth (as one from which a hair grows)
b
: graafian follicle
2
: a dry one-celled fruit (as in the milkweed) that splits open by one seam when ripe
follicular
fə-ˈlik-yə-lər How to pronounce follicle (audio)
fä-
adjective

Medical Definition

follicle

noun
fol·​li·​cle ˈfäl-i-kəl How to pronounce follicle (audio)
1
: a small anatomical cavity or deep narrow-mouthed depression
especially : a small simple or slightly branched gland : crypt
2
: a small lymph node
3
: a vesicle in the mammalian ovary that contains a developing egg surrounded by a covering of cells : ovarian follicle
especially : graafian follicle
follicular
fə-ˈlik-yə-lər, fä- How to pronounce follicle (audio)
adjective

More from Merriam-Webster on follicle

Nglish: Translation of follicle for Spanish Speakers

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All