Related Clues:

• 18-Across member
• Elsie e.g.,
• It's no bull
• Calf's mother
• Bulldoze
• Leather source
• Brown Swiss, e.g.
• One of a migrating herd
• Whale of a mom
• Shaggy beast
• Container of fresh milk
• Large African antelope
• Herd member
• It may be put out to pasture
• Serengeti roamer