Is “Ticking” a Scrabble word?
Yes
TICKING
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 Ticking
/ˈtɪkɪŋ/
noun
1.A strong cotton or linen fabric used to cover pillows and mattresses.