- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
crustaceans
-
sporadic
-
peculate
-
board member
-
so-and-so
-
haywire
-
trails
-
pet
-
trophy
-
underneath
- 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
