vertical, perpendicular, plumb mean being at right angles to a base line. vertical suggests a line or direction rising straight upward toward a zenith.

plumb verb [T] (DEEP) engineering specialized to measure how deep something is, especially water to understand or discover all about something:

Plumb considered leaving the music industry after the 2000 album, but changed her mind after receiving a note from a fan a few hours before what she thought to be her final concert.

1. (Building) a weight, usually of lead, suspended at the end of a line and used to determine water depth or verticality 2. (Building) the perpendicular position of a freely suspended plumb line (esp in the …

Founded in 1946, Plumb Supply Company is a family owned, Midwest based, Plumbing, HVAC, and PVF distributor serving the needs of professional plumbing and heating contractors.

PLUMB definition: a small mass of lead or other heavy material, as that suspended by a line and used to measure the depth of water or to ascertain a vertical line. See examples of plumb used in a sentence.

Dec 11, 2025 · Adverb plumb (not comparable) In a vertical direction; perpendicularly. (informal) Squarely, directly; deeply, completely.

In construction or carpentry, the term plumb refers to a line or feature that is perfectly vertical. In technical design, it represents an imaginary line that runs straight to the center of the earth. Plumb is …

Plumb is used to give emphasis to an adjective or verb that describes a feeling or condition.

plumb /plʌm/ n. [countable] Building, Surveying a small mass of lead hung on a line and used to measure the depth of water or to make sure a line is straight up and down.