from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • intransitive v. To become firm or gelatinous; congeal. See Synonyms at coagulate.
  • intransitive v. To take shape or fall into place; crystallize: A plan of action finally jelled in my mind.
  • transitive v. To cause to become firm or gelatinous.
  • transitive v. To cause to take shape; make clear and definite; crystallize.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a jelly or gel
  • v. To gel

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To jelly.
  • intransitive v. To take on a more concrete or substantial form; -- of ideas, plans, programs, etc.

from The Century Dictionary and Cyclopedia

  • To assume the consistence of jelly.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. become gelatinous


Probably back-formation from jelly.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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