ridged
rijd
- v extend in ridges
 - v plough alternate strips by throwing the furrow onto an unploughed strip
 - v  throw soil toward (a crop row) from both sides
                    
                        
                            
He ridged his corn - v spade into alternate ridges and troughs
 - v form into a ridge
 - a having a ridge or shaped like a ridge or suggesting the keel of a ship
 
- Vertically ridged nails may be a sign of nerveroot damage.
 - Now pharmaceutical companies have released a plethora of toothbrushes--ridged, twisted, tapered, with bands, dots and swirls.
 - In the intervening 112 years, the coveted awards have been rectangular, ridged, doughnut-like, gilded and--for the 1972 Sapporo Winter Games--shaped like an amorphous blob.