The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
mucus
1 ENTRIES FOUND:
mucus
(noun)
mucus
/
ˈ
mjuːkəs/
noun
mucus
/
ˈ
mjuːkəs/
noun
Britannica Dictionary definition of MUCUS
[
noncount
]
:
a thick liquid that is produced in some parts of the body (such as the nose and throat)
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
replenish
:
to fill or build up (something) again (
somewhat formal
)
Learn More »
