atrium of the heart

NOUN
19 LETTERS · STARTS WITH A

atrium of the heart is a valid 19-letter word worth 27 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1T1R1I1U1M3O1F4T1H4E1H4E1A1R1T1
1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 4 + 0 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does atrium of the heart mean?

NOUN · 1 SENSE