noun · A branch of study, administrative section, division, or field.

他在医院的内科工作。

noun · A taxonomic rank used in the biological classification of organisms.

猫属于猫科动物。

noun · To mete out punishment, levy taxes, or fine someone according to rules and laws.

法院依法对他科以罚金。

noun, punctuation · Notations in traditional Chinese opera indicating movements, gestures, or facial expressions.

这段剧本里注有“笑科”。

noun · A measure word used for academic courses or subjects.

他这学期被老师当了两科。