n.
    - a traditional story popularly regarded as historical but which is not authenticated.
- an extremely famous or notorious person:![]()  a screen legend. 
- an inscription on a coin or medal. ▸explanatory wording on a map, diagram, etc. 
- historical a written account of a saint's life.
adj.
 very well known:
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 his speed and ferocity in attack were legend.
Etymology
  ME: from OFr. legende, from med. L. legenda ‘things to be read’, from L. legere ‘read’.