1 general:: see FEEL ONE'S OATS; SOW ONE'S WILD OATS.
American Heritage Idioms
2 general:: noun ADJ. rolled | porridge QUANT. field VERB + OATS grow | sow | cut, harvest OATS + VERB grow
Oxford Collocations Dictionary
3 general:: noun type of grain: Oats can be good for your heart.
Simple Definitions