/oh'veuhr klowd"/ , v.t.
1. to overspread with or as if with clouds: a summer storm that briefly overclouds the sun; to overcloud one's pleasure with solemn thoughts.
2. to darken; obscure; make gloomy: a childhood that was overclouded by the loss of his parents.
v.i.
3. to become clouded over or overcast: Toward evening the sky began to overcloud.
[ 1585-95; OVER- + CLOUD ]