cremaster

/kษนiหหˆmastษ™/

IPA: /K R IY1 M AE0 S T ER0/

noun
  1. 1

    A thin muscle attached to the testicles.

  2. 2

    In the pupae of certain species of butterfly, a hook-shaped protuberance from the rear of the chrysalis casing, by which the caterpillar fixes itself to the pad of silk it has cemented to the underside of a perch.

Source: https://en.wiktionary.org/wiki/cremaster