Cynthia will give it to you when you meet her in front of the Team Galactic Building in Eterna City. Have a Normal or Grass type use it on the nearby shrubs to get into the building.
Search 'Cut' on bulbapedia.bulbagarden.net
Bidoof
Cynthia gives it to you.
HM01 Cut
Just learn it the HM Cut
bidoof and bibarel can cut trees
No, the HM Cut can only be used on small trees.
In eterna Forest. You need cut to get in!!! B.)
your Pokemon CANT learn cut in ruby, sapphire or emerald. you have to trade a Pokemon that's holding the TM cut (from sinnoh region game, platinum, diamond and pearl) then take it off them and they can learn cut.
CYNTHIA GIVES IT TO TOU
psycho cut, psychic , trick room and teleport.
in the route to the west of veilstone behind some cut trees