bassoon /bəˈsuːn/verb 2noun 1forms 3 verb2 •To play the bassoon. •To make a bassoon-like sound. noun1 •A musical instrument in the woodwind family, having a double reed and playing in the tenor and bass ranges.Higher and higher every day, / Till over the mast at noon— / The Wedding-Guest here beat his breast, / For he heard the loud bassoon. — 1798 formsbassooned · bassooning · bassoons