Welcome to the new LearnersDictionary.com. We want to hear your thoughts about the new design.

plumb bob

1 ENTRIES FOUND:
Save
plumb bobnoun
pluralplumb bobs
plumb bob
noun
pluralplumb bobs
Learner's definition of PLUMB BOB  
[count]US
: a usually small, heavy object that is used to make a string or rope hang straight : the heavy object that is part of a plumb line
— called also bob
: plumb line
Comments & Questions  
Comments & Questions
What made you want to look up plumb bob? Include any comments and questions you have about this word.