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Definition of erector

erector

/ɪˈrɛk.tɚ/
e · rec · tor

Plural:erectors
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erector Lexical Profile

erector Game Scores & Validity

• noun

1

A person or specialized construction worker who builds, assembles, or raises structures such as steel frameworks, scaffolding, or machinery.

Example

"The structural steel erector secured the heavy girders high above the construction site."


2

Any muscle in the body that raises, straightens, or holds a part upright, such as the erector spinae along the vertebral column.

Example

"Strengthening the spinal erector muscles can help improve posture and prevent lower back pain."


3

An optical lens or prism assembly inserted into an eyepiece or telescope to invert an upside-down image so that it appears upright to the viewer.

Example

"Adding an erector lens to the astronomical telescope makes it suitable for viewing terrestrial landscapes right side up."

Synonyms
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Antonyms
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• Rhymes for erector

Word Origin & Etymology

Borrowed from Late Latin erector, from Latin erigere ('to raise or set up'), formed from ex- ('out, up') and regere ('to direct or keep straight').

Cite this Entry


Wordmom. (2026). Definition of Erector. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/erector
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