Related Clues:

• Invoice item, perhaps
• Sardine catcher
• After all
• Word found within 20, 33, 45 and 57-Across
• URL ender
• Lepidopterist's prop
• Lunch lady's hair covering
• Seine
• Something less than gross
• It's a real mesh
• Center court fixture
• Tennis gear
• Site for a site
• Seine, for one
• Trawler's requirement