middle A2

/[ˈmɨdl̩]/ The part of something that is the same distance from both ends or all sides.

middling C2+

/ˈmɪdlɪŋ/ of medium quality, size, or rank; mediocre

middleman C2+

/ˈmɪdəlˌmæn/ an intermediary who trades between producer and consumer