as·sign·ment 
(ə-sīnmənt)
(ə-sīnmənt)n.
1. The act of assigning: His assignment of the tasks seemed unfair.
2. Something, such as a task, that is assigned: What's the math assignment for tonight? See Synonyms at task.
3. A position or post of duty to which one is assigned: The journalist took an assignment in China.
4. Law
a. The transfer of a claim, right, interest, or property from one to another.
b. The instrument by which this transfer is effected.