magnetic head is a noun meaning "an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved". It carries one recorded sense.
an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved
Definitions, synonyms and semantic relations for magnetic head come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.