Is “Ratchet” a Scrabble word?
Yes
RATCHET
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 Ratchet
/ˈɹætʃɪt/
noun
1.A pawl, click or detent for holding or propelling a ratchet wheel, or ratch, etc.
2.A mechanism composed of a ratchet wheel, or ratch and pawl.
3.A ratchet wrench.
verb
1.To cause to become incremented or decremented.
“It's time to ratchet up the intensity level here.”
2.To increment or decrement.