D defs.my
Entry 2 senses Webster, 1913

Jell

/jĕl/ · IPA /d͡ʒɛl/
01 v. i. To jelly.
  1. 1.
    To jelly.[Colloq.]
  2. 2.
    To take on a more concrete or substantial form; -- of ideas, plans, programs, etc.