The term 'ROUGH SEAS FEATURE' can be broken down into two crossword solutions: 'CHOP' and 'FEATURE'. The term 'CHOP' is a four-letter word that refers to the choppy, turbulent waves of rough seas. The term 'FEATURE' is a seven-letter word that refers to the characteristic of rough seas that makes them distinct from calmer waters. Together, the two words form the phrase 'ROUGH SEAS FEATURE', which describes the unique characteristics of rough seas.