Definition of insets:
(n) :
A smaller thing set into a larger thing, such as a small picture inside a larger one.
(n) :
Anything inserted.
(v) :
(transitive) To insert something.
(v) :
(transitive) To set in; infix or implant.
(v) :
(transitive) To add an inset to something.
(n) :
A small piece of material used to strengthen a garment.