1.something determined in relation to something that includes it;

he wanted to feel a part of something bigger than himself

2.the extended spatial location of something;

the farming regions of France

3.so far as concerns the actor specified;

it requires vigilance on our part or they resisted every effort on his part;

4.something less than the whole of a human artifact;

the rear part of the house

5.one of the portions into which something is regarded as divided and which together constitute a whole;

the written part of the exam

6.the actions and activities assigned to or required or expected of a person or group;

the function of a teacher

7.a portion of a natural object;

they analyzed the river into three parts

8.an actor's portrayal of someone in a play;

she played the part of Desdemona

9.assets belonging to or due to or contributed by an individual person or group;

he wanted his share in cash

10. any one of a number of individual efforts in a common endeavor;

I am proud of my contribution to the team's success

11. the melody carried by a particular voice or instrument in polyphonic music;

he tried to sing the tenor part

12. a line where the hair is parted;

his part was right in the middle

13.in part; in some degree; not wholly;

I felt partly to blame