- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
accounting system
-
nod
-
list
-
not bad
-
interval
-
active matrix screen
-
siege
-
elevation
-
any
-
iris
- 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
