erector

1 of 2

noun

erec·​tor i-ˈrek-tər How to pronounce erector (audio)
: one that erects
especially : a muscle that raises or keeps a part erect

Erector

2 of 2

trademark

used for a metal toy construction set

Examples of erector in a Sentence

Recent Examples on the Web
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Noun
The launch apparatus uses a battery operations center and transporter erector launcher, sending the missile streaking east over the Atlantic. Richard Tribou, The Orlando Sentinel, 26 Mar. 2026 For example, in a study of 24 subjects, Laevo reduced lumbar erector spinae EMG by 11–33% during lifting. Srishti Gupta, Interesting Engineering, 24 Mar. 2026 The movement also strengthens the transverse abdominis − a deep muscle that stabilizes the core − and a group of muscles that runs along the spine known as the erector spinae. Daryl Austin, USA Today, 15 Mar. 2026 No procession of tanks, no towering intercontinental ballistic missiles (ICBM), no hypersonic glide vehicles, no transporter-erector-launchers rumbling past the cameras. Will Ripley, CNN Money, 26 Feb. 2026 See All Example Sentences for erector

Word History

First Known Use

Noun

1538, in the meaning defined above

Time Traveler
The first known use of erector was in 1538

Browse Nearby Words

Cite this Entry

“Erector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erector. Accessed 31 Mar. 2026.

Medical Definition

erector

noun
erec·​tor i-ˈrek-tər How to pronounce erector (audio)
: a muscle that raises or keeps a part erect

called also arrector

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