registered depth

16 LETTERS · STARTS WITH R

registered depth is a valid 16-letter word worth 23 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1G2I1S1T1E1R1E1D2D2E1P3T1H4

1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 2 + 1 + 3 + 1 + 4 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does registered depth mean?