Definition of fillet
(Entry 1 of 2)
1
: a ribbon or narrow strip of material used especially as a headband
2a
: a thin narrow strip of material
b
: a piece or slice of boneless meat or fish
especially
: the tenderloin of beef
3a
: a concave junction formed where two surfaces meet (as at an angle)
b
: a strip that gives a rounded appearance to such a junction
also
: a strip to reinforce the corner where two surfaces meet
4
: a narrow flat architectural member:
a
: a flat molding separating others
b
: the space between two flutings (see flute entry 1 sense 3) in a shaft
fillet
verb
filleted; filleting; fillets
Definition of fillet (Entry 2 of 2)
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
February 2021 Words of the Day Quiz
-
- Which is a synonym of perdure?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share fillet
Time Traveler for fillet
The first known use of fillet was in the 14th century
See more words from the same century