Definitions
1.verbTo determine the depth, generally of a liquid; to sound.
2.verbTo attach to a water supply and drain.
3.verbTo think about or explore in depth, to get to the bottom of, especially to plumb the depths of.
4.verbTo use a plumb bob as a measuring or aligning tool.
5.verbTo accurately align vertically or horizontally.
6.verbTo seal something with lead.
7.verbTo work as a plumber.
8.verbTo fall or sink like a plummet.
9.verbTo trace a road or track; to follow it to its end.
10.verbTo position vertically above or below.