what is hygroma
Medical Definition of HYGROMA. : a cystic tumor of lymphatic origin. What made you want to look up hygroma?Please tell us where you read or heard it (including the quote, if possible). View Seen & Heard Highlights from Around the Site.Test Your Vocabulary!Test Your Vocabulary!edical Definition of HYGROMA. : a cystic tumor of lymphatic origin. What made you want to look up hygroma? Please tell us where you read or heard it (including the quote, if possible). View Seen & Heard Highlights from Around the Site. Test Your Vocabulary! Test Your Vocabulary!