Crossword clue: the throstle, or song thrust. when he heard the thrustel sing. chaucer.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
The throstle, or song thrust. [Obs. or Prov. Eng.] When he heard the thrustel sing. Chaucer.