noun, noun or participle which takes 'suru', intransitive verb
Refers to birds sitting on eggs to keep them warm until they hatch. Can also be used figuratively for nurturing an idea or plan. Used as both a noun and a suru-verb.
雌鳥が卵を抱卵している。
The hen is incubating the eggs.
この鳥は約二週
This bird incubates its eggs for about two weeks.