burrow
bu roh
- n a hole made by an animal, usually for shelter
 - v  move through by or as by digging
                    
                        
                            
burrow through the forest 
- He describes looking into the mirror one night, only to see one burrow down into his eye.
 - Mexico's cartels employ increasingly sophisticated technology to burrow under the border.
 - Finally a patrolman went up a ladder, opened a shutter, swept his flashlight into a cavelike burrow.