involuntary muscle

NOUN
18 LETTERS · STARTS WITH I

involuntary muscle is a valid 18-letter word worth 27 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1V4O1L1U1N1T1A1R1Y4M3U1S1C3L1E1
1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 3 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does involuntary muscle mean?

NOUN · 1 SENSE
1

A muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart).