Related Clues:

• Zodiac animal
• Bash
• A tractor pulls it
• Computerphile's concern
• Winter truck accessory
• Make rows
• Barnyard butter
• Hit head-on
• David Mamet's 'Speed-the-___'
• See 15-Across
• Farmer's tool
• Farm animal
• Clear the roads, in a way
• Good butter
• Bump into