contexts

1. The surroundings, circumstances, environment, background or settings that determine, specify, or clarify the meaning of an event or other occurrence.

   In what context did your attack on him happen? - We had a pretty tense relationship at the time, and when he insulted me I snapped.

2. The text in which a word or passage appears and which helps ascertain its meaning.

   Without any context, I can't tell you if the "dish" refers to the food, or the thing you eat it on.

3. The surroundings and environment in which an artifact is found and which may provide important clues about the artifact's function and/or cultural meaning.
4. The trama or flesh of a mushroom.
5. For a formula: a finite set of variables, which set contains all the free variables in the given formula.

verb

To knit or bind together; to unite closely.