noun
A person who is easily made to bleed, or who bleeds in unusually large amounts, particularly a hemophiliac.
(surgery) A blood vessel that requires cauterization etc. to stop it from bleeding during surgery.
Anything that saps a resource produced by something else.
A valve designed to release a small amount of excess pressure from a system.
(UK, Ireland, Commonwealth, slang, derogatory) A troublesome fellow or thing; a blighter.
(baseball) Synonym of scratch hit.
(LGBTQ) A person who menstruates (used in the context of transgender inclusivity).