1. A tributary of the coronary sinus; on the posterior wall of the left atrium
   - oblique vein of the left atrium

Type of: vein, vena, venous blood vessel

• hard-pressed
• hard-shell
• hard-shell clam
• hard-shell crab
• hard-shelled
• hard-skinned puffball
• hard-to-please
• hard-wearing
• hard-won
• hardback
• hardbacked
• hardbake
• hardball
• hardboard
• hardbound
• hardcore
• hardcover
• harden
• Hardenbergia
• Hardenbergia comnptoniana
• hardened
• hardener
• hardening
• hardening of the arteries
• hardfisted