The term 'CAVA (MAJOR VESSEL)' is a crossword solution that can be broken down into two words: 'CAVA' and 'MAJOR VESSEL'. The first word, 'CAVA', is a four-letter word meaning 'VEIN'. The second word, 'MAJOR VESSEL', refers to a large VESSEL in the body, such as an artery or VEIN. Together, these two words form the crossword solution for the term 'CAVA (MAJOR VESSEL)'. This term is used to describe a MAJOR VEIN in the body, such as the VENA CAVA, which is the largest VEIN in the body.