/ ˈəʊtmiːl; NAmE ˈoʊt-/ noun [ U ]
1.
flour made from crushed oats , used to make biscuits / cookies, porridge , etc.
2.
( NAmE ) = porridge
3.
a pale brown colour
► oat·meal adjective :
an oatmeal carpet
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WORD ORIGIN
late Middle English : from oat and meal crushed grain .