'Jell-O' definitions:

Definition of 'Jell-O'

From: WordNet
noun
Fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder [syn: jello, Jell-O]

Definition of 'Jell-O'

From: GCIDE
  • Jell-O \Jell"-O\, jello \jell"o\n. [a trademark.] a brand of sweetened fruit-flavored powdered mixture, packaged so that it can be conveniently dissolved in hot water and solidified into a gelatin, used as a dessert, sometimes with pieces of fruit mixed in; also the gelatin dessert thus prepared; sometimes used metaphorically; as, when he pulled a gun on me, my knees turned to Jell-O.. [Trademark]
  • Note: Jell-O was originally a trademark and is still protected by trademark law, but is often used as one word, uncapitalized in informal writing. [WordNet 1.5 +PJC]