plural of oak tree

A spherical type of oak gall, produced by an oak gall wasp (tribe Cynipini).

A gall produced by an oak by a wasp larva.

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

A beard growth visible late in the day on the face of a person with facial hair growth that was clean-shaven in the morning.

(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.