1. [noun] The act of parting or dividing; the state of being parted; division; separation.
2. [noun] A farewell, the act of departing politely.
3. [noun] (British) The dividing line formed by combing the hair in different directions; part (US)
4. [noun] (founding) The surface of the sand of one section of a mould where it meets that of another section.
5. [noun] (chemistry) The separation and determination of alloys; especially, the separation, as by acids, of gold from silver in the assay button.
6. [noun] (geology) A joint or fissure, as in a coal seam.
7. [noun] (nautical) The breaking, as of a cable, by violence.
8. [noun] (mineralogy) Lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellae.
9. [verb] Present participle of part
10. [noun] The act of departing politely; 'he disliked long farewells'; 'he took his leave'; 'parting is such sweet sorrow'.
11. [noun] A line of scalp that can be seen when sections of hair are combed in opposite directions; 'his part was right in the middle'.