erec·​tor | \ i-ˈrek-tər How to pronounce erector (audio) \

Definition of erector

 (Entry 1 of 2)

: one that erects especially : a muscle that raises or keeps a part erect



Definition of Erector (Entry 2 of 2)

used for a metal toy construction set

Examples of erector in a Sentence

Recent Examples on the Web: Noun Larger tubes also leave more room for turret adjustments, but only if erector tubes are not also enlarged. Ron Spomer, Outdoor Life, "The Truth About Riflescope Brightness (And How to Pick the Best Hunting Scope for Low Light)," 7 Apr. 2020 In a 1-inch scope, most of these erector tube lenses are about 12.5mm in diameter, a good 5mm larger than our useable 7mm EP. Ron Spomer, Outdoor Life, "The Truth About Riflescope Brightness (And How to Pick the Best Hunting Scope for Low Light)," 7 Apr. 2020 IRBMs look like small space rockets, and are launched from a transporter/erector/launcher towed by a tractor trailer. Kyle Mizokami, Popular Mechanics, "The U.S. Is on the Verge of Testing a New Ballistic Missile," 13 Nov. 2019 The Green Bank Telescope, which was completed in 2000, looks like an extreme erector set with its criss-crossing bars and geometric shapes. Matt Blitz, Popular Mechanics, "WiFi Is Illegal in This American Town. (And Yes, People Actually Live There.)," 28 Oct. 2019 The image tweeted by the president was also labeled, pointing out what had allegedly been damaged: the Safir mobile-erector-launcher, two support vehicles, a propellant burner trailer, and a service tower. CBS News, "Trump sparks confusion with tweet of apparent Iranian launch site," 30 Aug. 2019 There are rows of concrete trucks, the erector is fabricated and painted. Eric Berger, Ars Technica, "Rocket Report: Teachers invest in SpaceX, Russia plans to study reusable launch," 4 July 2019 For starters, this move targets many major muscles at once, including the glutes, hamstrings, quads, spinal erectors (muscles that line the spine), core, and upper back, says Borden. Jenny Mccoy, SELF, "How to Strengthen Your Core and Lower Body With Box Squats Like Rumer Willis," 24 Jan. 2019 In addition to being physically similar to the Iskander-M the North Korean missile also uses a transporter/erector/launch (TEL) vehicle that looks a close copy of the Russian missile’s TEL. Kyle Mizokami, Popular Mechanics, "Satellite Startup Accidentally Spots Secret North Korean Missile Test," 7 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'erector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of erector


1538, in the meaning defined above

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The first known use of erector was in 1538

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Cite this Entry

“Erector.” Dictionary, Merriam-Webster, Accessed 11 Jul. 2020.

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erec·​tor | \ i-ˈrek-tər How to pronounce erector (audio) \

Medical Definition of erector

: a muscle that raises or keeps a part erect

called also arrector

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