- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
crippled
-
irritable
-
nervous
-
professional person
-
absorber
-
genus
-
excruciation
-
company
-
wind down
-
accordion door
- 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
