moving stairway

NOUN
15 LETTERS · STARTS WITH M

moving stairway is a valid 15-letter word worth 26 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3O1V4I1N1G2S1T1A1I1R1W4A1Y4
3 + 1 + 4 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 4 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does moving stairway mean?

NOUN · 1 SENSE
1

A stairway whose steps move continuously on a circulating belt.