- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
parturiency
-
disorder
-
enlightened
-
coexists
-
piton
-
conclusive
-
acanthocephalan
-
insulting
-
tense
-
gallows
- 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
