n. Seed, usually constituting a mixture from several species of plant, set out as food for birds.
the GNU version of the Collaborative International Dictionary of English
n. Canary seed, hemp, millet or other small seeds used for feeding caged birds.
The Century Dictionary and Cyclopedia
n. Small seeds used for feeding birds, as those of hemp or millet; more specifically, the seed of Phalaris Canariensis, or canary-grass.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. food given to birds; usually mixed seeds
Word Usage
"Robin and Dad have always talked farming, though you wouldn't think mushrooms and sod have much in common with birdseed, which is Dad's major industry. '"