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

All the while, your core—including your rectus abdominis (frontside ab muscles), obliques (side torso muscles), transverse abdominis (deep trunk muscles) and erectors (spinal muscles)—work hard to stabilize you. —Christa Sgobba, SELF, 3 Jan. 2025

Muscles worked during this exercise include the lower back, erector spinae (spine muscles), glutes (buttock muscles) and hamstrings (muscles on backs of thighs). —Christopher Bergland, Verywell Health, 19 Dec. 2024

Nor did the erector set of metal scaffolding that restorers had built before the fire crash and knock the walls down. —Michael Kimmelman, New York Times, 6 Dec. 2024

The primary movers during this lift are the posterior chain muscles, specifically the gluteus maximus (butt muscles), hamstrings, and erector spinae of the lower back (muscles on either side of the spine). —Jakob Roze, Health, 5 Dec. 2024

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