Related Clues:

• It may be square
• Source
• Trawler's catch
• Drop a line
• Person easily duped
• School group?
• Underground growth
• It may dig in deep
• Net gain?
• Tooth or hair part
• Etymologist's interest
• Angler's prize
• One may be square
• Dangle poles over a pier, say
• Catch some rays?