erector

1 of 2

noun

erec·​tor i-ˈrek-tər 

: 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

Noun

That includes all of the abdominal muscles (rectus abdominis, internal and external obliques, and deep transversus abdominus) as well as those of the hips, glutes, and lower back (including the erector spinae and multifidus). —Amber Sayer, Outside Online, 21 Mar. 2025

Other low-back muscles include the erector spinae and quadratus lumborum, the deepest back muscle. —Sohaib Imtiaz, Verywell Health, 14 Mar. 2025

SpaceX scrubbed a Wednesday night launch attempt from KSC’s Launch Pad 39-A because of a hydraulic issue on a clamp arm of the transporter erector apparatus that holds the Falcon 9 rocket up adjacent the launch tower. —Richard Tribou, Orlando Sentinel, 12 Mar. 2025

Along the way, the robots — which resemble mobile erector sets — get more nimble and functional. —Lisa Kennedy, Variety, 7 Mar. 2025

Word History

First Known Use

Noun

1538, in the meaning defined above

Rhymes for erector

• bisector
• collector
• connector
• corrector
• defector
• deflector
• detector
• director
• dissector
• effector
• ejector
• elector

Medical Definition

erector

noun

erec·​tor i-ˈrek-tər 

: a muscle that raises or keeps a part erect

called also arrector