give food to

did you remember to feed the cat?

she fed him bits of biscuit

supply with material or power

a radial circuit fed by a 20 amp fuse

the pond is fed by a small stream

cause to pass gradually and steadily, typically through a confined space

make holes through which to feed the cables

a federal agent or official, especially a member of the FBI

I don't think he has any friends since he ratted to the Feds