Preen may refer to:

Birds

Preening Preening is a found in birds that involves the use of the beak to position feathers, interlock feather that have become separated, clean plumage, and keep ectoparasites in check. Feathers contribute significantly to a bird's insulation, waterp ...

, personal grooming of a bird's feathers especially by using its beak *Preen gland, also called the

uropygial gland The uropygial gland, informally known as the preen gland or the oil gland, is a bilobed sebaceous gland possessed by the majority of birds used to distribute the gland's oil through the plumage by means of Preening (bird), preening. It is locate ...

, an oil gland found in many bird species *Preen oil, an oil made by the

found in many bird species

Products

*Preen, a trade name for

trifluralin Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline. With about used in the United States in 2001, and in 2012, it is one of the most widely used herbicides. Trifluralin is also used in Australia, New Zealand, Brazil an ...

Surname

* Garyn Preen (born 1991), Welsh footballer * Alan Preen (born 1935), former sportsman who played Australian rules football {{disambiguation