The Collaborative International Dictionary
                    Weather-bit
                    
                        
                
                                                                    Weather-bit \Weath"er-bit`\, n. (Naut.) A turn of the cable about the end of the windlass, without the bits.
Wiktionary
                    weather-bit
                    
                        
                
                                                                    n. (context nautical English) A turn of the cable about the end of the windlass, without the bits.