Possible Clues:

• Cross when young Australian skipper departs
• Land measure
• Unit of area equal to one quarter of an acre
• To open and shut it upside down is enough to make one cross
• Quarter acre of land, once
• Quarter acre
• Cross and ill-mannered by the sound of it
• Cross it up to put it in a frame
• Crucifix on part of an acre
• Cross back and close it