As a noun incision is
incision, cut.
dadi
Not English
Dadi has no English definition. It may be misspelled.
incision
English
Noun
(
en noun)
A cut, especially one made by a scalpel or similar medical tool in the context of surgical operation.
The act of incising, or cutting into a substance.
- (Milton)
(obsolete) Separation or solution of viscid matter by medicines.