atrium sinistrum

NOUN
16 LETTERS · STARTS WITH A

atrium sinistrum is a valid 16-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1T1R1I1U1M3S1I1N1I1S1T1R1U1M3
1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 3 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does atrium sinistrum mean?

NOUN · 1 SENSE
1

The left upper chamber of the heart that receives blood from the pulmonary veins.