A trademark used for a gelatin dessert. This trademark often occurs in print without a hyphen: "But you can't protect some dummies from themselves. So if they want to turn their heads into Jello, that's their lookout” ( Mike Royko).
a brandname of dessert made from gelatin.
Through genericization, any model of good fresh fruit flavored gelatin dessert combine.
a brandname of sweetened fruit-flavored powdered blend, packaged such that it is conveniently dissolved in warm water and solidified into a gelatin, made use of as a dessert, occasionally with items of fresh fruit combined in; also the gelatin dessert thus prepared; sometimes made use of metaphorically.
fruit-flavored dessert (trade mark Jell-O) produced from a commercially prepared gelatin powder
fruit-flavored dessert (trade-mark Jell-O) made of a commercially prepared gelatin powder