Back in MY day, we just called unthawed “frozen.”
From the box of S.J. from Portland, Oregon.
Strawberry Party Dessert
1 pkg. strawberry gelatin in 1 c. hot water. Stir in 1 pkg. unthawed strawberries, then 1/2 pint vanilla ice cream. Refridgerate till set, about 20 minutes. Spoon into dishes. Serves 6.