Informal . a potato.

a spadelike instrument, esp. one with a narrow blade, as for digging up or cutting the roots of weeds.

a chisellike tool for removing bark.

a pointed leg or stake for staying or supporting dredging or earth-boring machinery.

a short pipe, as for connecting a water pipe with a meter.

Surgery . an instrument having a dull flattened blade for removing substances or foreign bodies from certain parts of the body, as wax from the ear.

to remove with a spud. ?

spud in, to set up earth-boring equipment, esp. for drilling an oil well.

noun

potato , tater