noun

• The act of parting or dividing; the state of being parted; division; separation.
• A farewell, the act of departing politely.
• (Britain) The dividing line formed by combing the hair in different directions; part (US)
• (founding) The surface of the sand of one section of a mould where it meets that of another section.
• (chemistry) The separation and determination of alloys; especially, the separation, as by acids, of gold from silver in the assay button.
• (geology) A joint or fissure, as in a coal seam.
• (nautical) The breaking, as of a cable, by violence.
• (mineralogy) Lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellae.