- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
acheson process
-
come to
-
49th
-
router
-
tabby cat
-
unpredictable
-
aalii
-
parotid gland
-
concurrently
-
adelgidae
- 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
