a box for animal feed.
a casing for the feeding mechanism of a machine.

Origin of feedbox

An Americanism dating back to 1830–40; feed + box1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for feedbox

Historical Examples of feedbox

  • Manuel's horse pushed her nose against her feedbox to ward off flies.

    When the Owl Cries

    Paul Bartlett