We found 6 dictionaries that define the word feed grains:

General (4 matching dictionaries)

1. feed grains: Collins English Dictionary
2. feed grains: Vocabulary.com
3. feed grains: Wiktionary
4. Feed grains: Wikipedia, the Free Encyclopedia

Science (1 matching dictionary)

5. Agricultural Thesaurus and Glossary (No longer online)

Tech (1 matching dictionary)

6. Glossary of Agricultural Terms, Programs and Laws (No longer online)

(Note: See feed_grain as well.)

Definitions from Wiktionary (Feed grain) ▸ noun:  Alternative form of feedgrain [Any of the coarser grains such as corn, milo, and oats.] ▸ Also see feed_grain Phrases: feed bag grains, more... ▸ Words similar to feed grains ▸ Usage examples for feed grains ▸ Idioms related to feed grains ▸ Wikipedia articles (New!) ▸ Words that often appear near feed grains ▸ Rhymes of feed grains ▸ Invented words related to feed grains