Madhusudanah (Sanskrit: मधुसूदन) is another name of Vishnu or God and is the 73rd[1] name in the Vishnu sahasranama.
According to Adi Sankara' s commentary on the Vishnu sahasranama, Madusudanah means the destroyer of the demon Madhu.
Cited from Sri Vishnu Sahasranama, commentary by Sri Sankaracharya, translated by Swami Tapasyananda, available at Sri Ramakrishna Math, Chennai; available at an Indian web site and a hello ppl whats up US site.