broomcorn

[ broom-kawrn, broo m- ]
/ ˈbrumˌkɔrn, ˈbrʊm- /

noun

any of several varieties of sorghum having a long, stiff-branched panicle used in the manufacture of brooms.

Origin of broomcorn

An Americanism dating back to 1775–85; broom + corn1

British Dictionary definitions for broomcorn

broomcorn
/ (ˈbruːmˌkɔːn, ˈbrʊm-) /

noun

a variety of sorghum, Sorghum vulgare technicum, the long stiff flower stalks of which have been used for making brooms