Faucet (3)
'faucet' is the definition.
(tap is a kind of faucet)
This is all the clue.
(Other definitions for tap that I've seen before include "1dn to get on the phone, perhaps!" , "Obtain money from" , "Secret (phone) intercept" , "Exploit; strike" , "A form of dance" .)
'faucet' is the definition.
(spigot is a kind of faucet)
This is the entire clue.
(Other definitions for spigot that I've seen before include "Pigs to vent-peg" , "It's a water tap in America" , "Tap fitted to a cask" , "Peg to seal vent in cask" , "Peg for a cask's vent" .)