WEBa condition in which someone is born with blood or lymph vessels that do not develop correctly, causing dark spots on the skin and problems with growth and with the veins:
WEBrelating to an increase in size, structure, or function. voluminous uk / vəˈluː.mɪ.nəs/ us / vəˈluː.mə.nəs/ adjective formal. A voluminous piece of clothing is large and consists of a …