1. The upper chamber of each half of the heart
   - atrium cordis

Derived forms: atriums of the heart

Type of: atrium

• transgress
• transgression
• transgressive
• transgressor
• tranship
• transhumance
• straight off
• straight person
• straight pin
• straight poker
• straight razor
• straight shooter
• straight sinus
• straight thrust
• straight ticket
• straight-arm
• straight-backed
• straight-billed
• straight-faced
• straight-fluted drill
• straight-from-the-shoulder
• straight-grained
• straight-legged
• straight-line method
• straight-line method of depreciation