Meaning of knight service in English:

knight service

noun

mass noun
  • (in the Middle Ages) the tenure of land by a knight on condition of performing military service.

    ‘By the 13th cent. the arrangements were unravelling as lords increasingly paid scutage rather than perform knight service and vassals tried to commute their own obligations.’
    • ‘His grandson, who appears in early thirteenth-century records as ‘John fitz Dermot’, was married to an Anglo-Norman woman, and held his lands by knight service.’