The term 'prefix meaning 'SKIN'' can be solved with three different crossword solutions: DERMO (5 letters), DERM (4 letters), and DERMA (5 letters). All three of these terms are derived from the Greek word 'DERMA, ' which means 'SKIN.' DERMO is a medical term used to refer to the outer layer of SKIN, while DERM is a shortened version of the same word. Lastly, DERMA is a more general term that can refer to any part of the SKIN.