To present as a gift to a fund or cause; contribute, Medicine To provide (blood, tissue, or an organ) for transfusion, implantation, or transplant, Chemistry To provide (an electron or atom, for example) for combination with an acceptor, transitive verb_ To give; to bestow; to present, verb_ To make a donation; to give away something of value to support or contribute towards a cause or for the benefit of another, give to a charity or good cause