brooding

brood·ing

brooding

a.
  1. worried and thinking long and intensely, especially about a particular problem.

brooding

a.
  1. good at incubating eggs, especially of a fowl kept for that purpose; as, a brooding hen.

brooding

n.
  1. the process of sitting on eggs so as to hatch them by the warmth of the body; -- mostly used of birds.