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. A vapory deluge lies to snow congealed. --Thomson. 2. To affect as if by freezing; to check the flow of, or cause to run cold; to chill. As if with horror to congeal his blood. --Stirling.