- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
showroom
-
legal
-
coincidence
-
old
-
patrol
-
abrogate
-
manipulate
-
concussion
-
currency
-
emit
- Hide translation
plumb bob
plumb bob /plʌm bɒb/
noun
-
The metal bob of a plumb line
(
plumb
, plumb bob
, plummet
)
the metal bob of a plumb line
