In*ci"sion (?), n. [L. incisio: cf. F. incision. See Incise.]
1.
The act of incising, or cutting into a substance.
Milton.
2.
That which is produced by incising; the separation of the parts of any substance made by a cutting or pointed instrument; a cut; a gash.
3.
Separation or solution of viscid matter by medicines.
[Obs.]
© Webster 1913.