a passageway in the wrist through which nerves and the flexor muscles of the hands pass

a passageway through or under something, usually underground (especially one for trains or cars)

a hole made by an animal, usually for shelter

An underground or underwater passage, An artificial passage or archway for conducting canals, roads, or railroads under elevated ground, for the formation of roads under rivers or canals, and the construction of sewers, drains, and the like, a net with a wide mouth at one end and narrow at the other, verb_ move through by or as by digging, force a way through, transitive verb_ To make an opening, or a passageway, through or under, To form into a tunnel, or funnel, or to form like a tunnel, To catch in a tunnel net, intransitive verb_ To make a tunnel through or under, To produce, shape, or dig in the form of a tunnel, To make a tunnel