From Longman Dictionary of Contemporary Englishmidfieldermid‧field‧er /ˈmɪdfiːldə $ -ər/ noun [countable] DSBa player in a game of football who usually plays in midfield
Examples from the Corpus
midfielder• Manager Brian Clough has opened talks aimed at keeping the £5m-rated midfielder beyond the end of next season.• Portsmouth boss Jim Smith is set to recall midfielder Chris Burns.• The Stockton midfielder will be out for three weeks with damaged knee ligaments.• Norton will be without suspended midfielder Bobby Hadfield.• The midfielder struck a superb second-half treble as Arsenal pummelled Plymouth 6-1 at Home Park.