leech
(a small worm that lives in wet places and attaches itself to other creatures to suck their blood)
- Oh, my God, I have a leech on my leg.
- They put leeches on your body to drain the bad blood.
(a person who takes advantage of other people)
- Mike was surrounded by leeches who only wanted his money.
- His older son is just a leech.
leach
(to remove chemicals, minerals, etc. from soil by water passing through it)
- Chemical fertilizers are leached from the soil by rainfall.
- The substance can leach into groundwater and surface waters.