crocodilian reptile

NOUN
19 LETTERS · STARTS WITH C

crocodilian reptile is a valid 19-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3R1O1C3O1D2I1L1I1A1N1R1E1P3T1I1L1E1
3 + 1 + 1 + 3 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does crocodilian reptile mean?