Key that might be part of a chain (4)
I believe the answer is:
isle
(Other definitions for isle that I've seen before include "Eg, Iona" , "Small landmass" , "Small seabound place" , "Skye or Capri?" , "Lies about small land mass." .)
I believe the answer is:
isle
(Other definitions for isle that I've seen before include "Eg, Iona" , "Small landmass" , "Small seabound place" , "Skye or Capri?" , "Lies about small land mass." .)