The term 'CALL YAWL' can be broken down into six crossword solutions: AHOY (4 letters), YACHT (5 letters), SAILED (6 letters), KETCH (5 letters), MAINMAST (8 letters), and AYES (4 letters), BOAT (4 letters). AHOY is a traditional nautical greeting used to hail a BOAT or ship, while a YACHT is a large, luxurious recreational vessel. Sailed is the past tense of the verb 'to sail', which means to travel by BOAT or ship. A KETCH is a type of sailing vessel with two masts, while a mainmast is the tallest mast on a sailing vessel. AYES is an affirmative answer, and a BOAT is a small vessel designed for transportation on water.