subject : Idioms & Phrases

• noun a person holding a fief; a person who owes allegiance and service to a feudal lord
  vassal; feudatory; liegeman; liege.
  

WordNet

• noun a brief film; often shown prior to showing the feature
  

WordNet

• noun a branch of knowledge
  discipline; field of study; study; subject area; field; bailiwick; subject.
  
  • in what discipline is his doctorate?
  • teachers should be well trained in their subject
  • anthropology is the study of human beings

WordNet

• noun the category of nouns serving as the grammatical subject of a verb
  nominative; nominative case.
  

WordNet

• noun a branch of knowledge
  discipline; field of study; study; subject area; field; bailiwick; subject.
  
  • in what discipline is his doctorate?
  • teachers should be well trained in their subject
  • anthropology is the study of human beings

WordNet

• noun what a communication that is about something is about
  content; message; substance.
  

WordNet

Sub"ject-mat`ter noun

Definitions

1. The matter or thought presented for consideration in some statement or discussion; that which is made the object of thought or study.

   As to the subject-matter, words are always to be understood as having a regard thereto. Blackstone.

   As science makes progress in any subject-matter, poetry recedes from it. J. H. Newman.

Webster 1913

• to be conversant or familiar with it.

Webster 1913