dolina /dō-lēˈnə/ or doline /dō-lēnˈ/ (geology)

A swallow hole

• heartbeat
• heartbeats
• heart block
• heart blocks
• heart-blood
• heart-bond
• heart-bonds
• heartbreak
• heartbreaked
• heartbreaker
• heartbreakers
• heartbreaking
• heartbreaks
• heartbroken
• heartburn
• heartburning
• heartburnings
• heartburns
• heart cam
• heart cams
• heart cockle
• heart cockles
• heart-dear
• heart disease
• heart diseases