Definition of blow 2 in English English dictionary
If something that happens is a blow to someone or something, it is very upsetting, disappointing, or damaging to them. That ruling comes as a blow to environmentalists His death dealt a severe blow to the army's morale
If someone receives a blow, they are hit with a fist or weapon. He went off to hospital after a blow to the face
If two people or groups come to blows, they start fighting. The representatives almost came to blows at a meeting