in·set 
(ĭnsĕt′, ĭn-sĕt)
(ĭnsĕt′, ĭn-sĕt)tr.v. in·set, in·set·ting, in·sets
1. To set in; insert.
2. To furnish with an inset.
n. (ĭnsĕt′)
1. Something set in, as:
a. A small map or illustration set within a larger one.
b. A leaf or group of pages inserted into a publication.
c. A piece of material set into a garment as decoration or trim.
2.
a. An inflow, as of water.
b. A channel.