- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
layer
-
strewing
-
treasury
-
obstacle
-
evolve
-
ad nauseam
-
con game
-
storyboard
-
indefatigable
-
triceps brachii
- 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
