date of reference

NOUN
17 LETTERS · STARTS WITH D

date of reference is a valid 17-letter word worth 24 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2A1T1E1O1F4R1E1F4E1R1E1N1C3E1
2 + 1 + 1 + 1 + 0 + 1 + 4 + 0 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does date of reference mean?

NOUN · 1 SENSE
1

(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded.

SYNONYMS
BROADER