Is “Cracker” a Scrabble word?
Yes
CRACKER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Cracker
/ˈkɹækə(ɹ)/
noun
1.A dry, thin, crispy baked bread (usually salty or savoury, but sometimes sweet, as in the case of graham crackers and animal crackers).
2.A short piece of twisted string tied to the end of a whip that creates the distinctive sound when the whip is thrown or cracked.
3.A firecracker.
Synonyms: biscuit, black hat, black-hat hacker, hacker, corn-cracker, honky