This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The group of fibers that form a sling for the rectum.

"It was 2:30 A.M. Sunday and Ivan, drawing on a clinical question posed in Snell about the correlation between incontinence and inadvertent destruction of the puborectalis muscle during surgery, was once more availing himself of Table 28’s fully hemisectioned pelvis."