Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
adapt
absolvitory
acquired
SPONSORED LINKS
SPONSORED LINKS
conditioned stimulus
potential
bozo
abstract thought
acronymic
wishy-washy
missed
Hide translation
1st class
1st class
/fɜrst klæs/
noun
Mail that includes letters and postcards and packages sealed against inspection
(
1st class
,
1st-class mail
,
first class
,
first-class mail
)
mail that includes letters and postcards and packages sealed against inspection
Back
Next
Language