royal house

NOUN
11 LETTERS · STARTS WITH R

royal house is a valid 11-letter word worth 16 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1O1Y4A1L1H4O1U1S1E1
1 + 1 + 4 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does royal house mean?