Rachis to a short segment of the rachis. This is significant in the history of agriculture, and referred to by archaeologists as a "brittle rachis", one type of shattering in crop plants. Rachis Rachis is a biological term for a main axis or "shaft" (from the Greek "ράχις, backbone, spine"). In vertebrates a "rachis" can refer to the series of articulated vertebrae, which encase the spinal cord. In this case the "rachis" usually forms the supporting axis of the body and is then called the spine or vertebral column. "Rachis" can also mean the central shaft of pennaceous feathers. In the
Bird on a Wire (film) various ways by the animals. Wounded, Rick winds up suspended over a tiger in a pit, requiring Marianne to save him. Not quite able to reach him, he offers her the extra incentive of marriage and children, which does the trick. They are then seen boating into the sunset in the Caribbean. "Bird on a Wire" gained a mixed to negative reception. The film holds a 32% rating on Rotten Tomatoes, based on 22 reviews. Audiences polled by CinemaScore gave the film an average grade of "B+" on an A+ to F scale. "Bird on a Wire" debuted at #1