middle body

plural middle bodies

1. nauticalThe part of a vessel adjacent to the midship section having a uniform or nearly uniform cross-section, usually referred to as the parallel middle body.

   In those experiments the different models used had varying lengths of parallel middle body distributed equally forward and abaft the midship section.

   1919, William McEntee, “The Propulsion of Cargo Ships with Parallel Middle Body”, in Journal of the American Society of Naval Engineers, volume 31, page 263

2. anatomyThe midsection of the body.

   Buttocks, lower back, and perineum burns occur when a child's middle body is forcibly held under hot water.

   2006, Julia A. McMillan et al., chapter 17, in Oski's Pediatrics, →ISBN, page 149