Related Clues:

• It's a stretch
• See 29-Down
• Growth area
• Playing area
• Area of expertise
•     Specialty
• Catch flies
• This word could follow 25- and 43-Across, 10- and 42-Down
• Uninterrupted space
• Vast area
• Sphere of activity
• __ trip
• Wide open space
• Kind of mouse
• Use leather on a diamond?