jacob's staff

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Definitions from WordNet

Noun jacob's staff has 1 sense

ocotillo, coachwhip, Jacob's staff, vine cactus, Fouquieria splendens - desert shrub of southwestern United States and Mexico having slender naked spiny branches that after the rainy season put forth foliage and clusters of red flowers
--₁ is a kind of candlewood
--₁ is a member of Fouquieria, genus Fouquieria

Definitions from the Web

Jacob's Staff

Noun

A Jacob's Staff is a navigational instrument used in ancient times for measuring angles and heights.

Example sentence: He used a Jacob's Staff to measure the height of the building.

Noun

In architecture, Jacob's Staff refers to a vertical structure or pole used to support temporary construction work.

Example sentence: The workers used a Jacob's Staff to stabilize the scaffolding during construction.

Noun

In astronomy, Jacob's Staff is also known as a cross-staff, used for measuring the altitude of celestial objects.

Example sentence: The astronomer utilized a Jacob's Staff to calculate the position of the stars.

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