Catabatic is valid Scrabble Word

Is catabatic a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is catabatic valid Words with Friends?
Words with Friends NO

Definitions for CATABATIC in dictionary:

Words related to CATABATIC

catabasis13
Find what other words can be done using letters: "catabatic"
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