The state or condition of being oafish; stupidity; dullness; folly.

Any of many flat biscuits, or cakes, made from oatmeal.

(idiomatic, UK) To meddle; to stick one's nose into (something)

oak that has been exposed to ammonia fumes to darken its color.

(medicine) An oath sworn by newly-qualified physicians that they will observe the medical ethics that derived from Hippocrates

Arrhenatherum species / Avenula species / Danthonia californica, California oatgrass / Trisetum species

(Britain) a building containing oasts, used in conjunction with hop harvesting.

(Britain) A kiln for drying tobacco, malt and especially hops.

plural of oast house

plural of oat grass