public toilet

NOUN
13 LETTERS · STARTS WITH P

public toilet is a valid 13-letter word worth 18 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3U1B3L1I1C3T1O1I1L1E1T1
3 + 1 + 3 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does public toilet mean?