Related Clues:

• Seneca leader?
• Sibilant symbol
• Seventh before 10-Down
• Sinuous shape
• Common consonant
• Suffix with priest
• Slalom trail, perhaps
• Start of something
• It has two contrasting arcs
• Start of spring?
• Rural road feature
• Tee neighbor
• Driving-exam curve
• Letter before tee
• Pluralizing letter