An aquatic blood-sucking annelid of class Hirudinea, especially Hirudo medicinalis. / (figuratively) A person who derives profit from others in a parasitic fashion.

(transitive, literally) To apply a leech medicinally, so that it sucks blood from the patient. / (transitive, figuratively) To drain (resources) without giving back.

(archaic) A physician. / (Germanic paganism) A healer.

(archaic, rare) To treat, cure or heal.

(nautical) The vertical edge of a square sail. / (nautical) The aft edge of a triangular sail.

simple past tense and past participle of leech

present participle of leech

A medical treatment using leeches.

plural of leech

Third-person singular simple present indicative form of leech