Answer: plumbs

AnswerCrossword Clue
PLUMBSTests for verticality
PLUMBSLead weights
PLUMBSMakes vertical
PLUMBSTests the depths of
PLUMBSAscertains the depth of.
PLUMBSSounds the depth
plumbsperpendicular
plumbsto test by a plumb line
plumbsto examine closely
plumbscompletely
plumbsexactly
plumbsPLUMB, to determine the depth of
plumbsvertically
plumbssmall weight suspended by a line (plumb line) and used to measure depth or to ascertain a vertical line