alpist

from The Century Dictionary.

• noun The seed of the canary-grass, Phalaris canariensis, used for feeding birds, especially canaries; canary-seed.
• noun The seed of various species of Alopecurus, or foxtail-grass, also used for feeding birds.
• noun Also called alpia.

from the GNU version of the Collaborative International Dictionary of English.

• noun The seed of canary grass (Phalaris Canariensis), used for feeding cage birds.