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
yam
1 ENTRIES FOUND:
yam
(noun)
yam
/
ˈ
jæm/
noun
plural
yams
yam
/
ˈ
jæm/
noun
plural
yams
Britannica Dictionary definition of YAM
[
count
]
1
:
a long, thick root of a tropical plant that has rough brown skin and usually white or yellow flesh and that is eaten as a vegetable
2
US
:
sweet potato
ASK THE EDITOR
When should I use
don't
and
doesn't
?
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
contagious
:
able to be passed from one person or animal to another
Learn More »