/plĘŚm/
noun
A little mass of lead, or the like, attached to a line, and used by builders, etc., to indicate a vertical direction.A weight on the end of a long line, used by sailors to determine the depth of water.The perpendicular direction or position.verb
To determine the depth, generally of a liquid; to sound.To attach to a water supply and drain.To think about or explore in depth, to get to the bottom of, especially to plumb the depths of.To use a plumb bob as a measuring or aligning tool.To accurately align vertically or horizontally.To seal something with lead.To work as a plumber.To fall or sink like a plummet.To trace a road or track; to follow it to its end.To position vertically above or below.adjective
Truly vertical, as indicated by a plumb line.Describing an LBW where the batsman is hit on the pads directly in front of his wicket and should be given out.adverb
In a vertical direction; perpendicularly.Squarely, directly; completely.