As used in this part, unless the context otherwise requires:
 1. “Cost” means cost as defined in section 384.37.

Terms Used In Iowa Code 331.485

 2. “County special assessment district” means the area of a county outside of cities within boundaries established by the board of supervisors for the purpose of assessment of the cost of a public improvement.
 3. “District” means a joint special assessment district, and a county special assessment district.
 4. “Joint special assessment district” means a district defined by a county and one or more other counties or one or more cities within the county or within an adjacent county pursuant to an agreement entered into by the county and one or more other counties or cities in accordance with chapter 28E and this part with respect to public improvements which the parties to the agreement determine benefit the property located in the cities and the designated area of the counties outside of cities, which are parties to the agreement.
 5. “Public improvement” means public improvement as defined in section 384.37.