Related Clues:

• Connective tissue
• Brave
• Classicist's field
• Crazy Horse, e.g.
• Fraternity man
• Achilles, e.g.
• Like pi
• Kind of letters hidden in 17-, 26-, 36-, 48- and 60-Across
• Sinew
• Muscle/bone connector
• What unintelligible writing is to me?
• Hamstring, e.g.
• European language
• Type of cross
• Combatant