Plumb | Mean of plumb in English Dictionary

/ˈplʌm/

• exactly straight down or up
1. He set the board plumb.
• to a complete degree
1. I plumb forgot about the party.
2. We were plumb [=totally] exhausted after the game.
• exactly vertical
1. The carpenter made sure that the wall was plumb.
2. The chimney is out of plumb. = The chimney is off plumb. [=not straight upright; leaning to one side]
• Verb

• to examine (something) in a careful and complete way in order to understand it
1. The book plumbs the complexities of human relationships.
2. a scientist who spent her life plumbing the minds of criminals
3. The play plumbs the depths of human nature.
• to experience or reach (something)
1. someone who has plumbed the depths of loss/pain [=who has experienced a lot of loss/pain]
2. The company's stocks plumbed new depths [=reached their lowest value] this week.
• to install pipes for sinks, toilets, etc., in (a building or room)
1. The plumber is almost finished plumbing the apartment.
2. The new house has been wired and plumbed.
• to connect (something, such as a sink) to a water supply
1. All the bathroom fixtures have been plumbed.
• to connect (something) to a water supply
1. I plumbed in the washing machine.