public convenience

NOUN
18 LETTERS · 5 SYLLABLES · STARTS WITH P

public convenience is a valid 18-letter word worth 30 points in Scrabble and 41 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3U1B3L1I1C3C3O1N1V4E1N1I1E1N1C3E1
3 + 1 + 3 + 1 + 1 + 3 + 0 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 3 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does public convenience mean?