From The Collaborative International Dictionary of English v.0.48:
Congeal \Con*geal"\, v. t. [imp. & p. p. Congealed; p. pr. &
vb. n. Congealing.] [F. congeler, L. congelare, -gelatumn;
con- + gelare to freeze, gelu frost. See Gelid.]
1. To change from a fluid to a solid state by cold; to
freeze.
Syn: jell, set.
[1913 Webster]
A vapory deluge lies to snow congealed. --Thomson.
[1913 Webster]
2. To affect as if by freezing; to check the flow of, or
cause to run cold; to chill.
[1913 Webster]
As if with horror to congeal his blood. --Stirling.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
congealed \congealed\ adj.
solidified; as, congealed into jelly.
Syn: jelled, jellied.
[WordNet 1.5]