The noun oat typically refers to the seeds of Avena sativa, a grain, harvested as a food crop.
There are no categorical synonyms for oat in the singular form. However, several synonyms exist for the plural form, oats.
Here's a list of synonyms for oats.
“The Rangers had Rusty Greer coming to the plate with first base open because Johnny Oats had bunted a runner over to second.”
Dish of oats and other grains
Edible food or substances
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