The homogeneous part of a heterogeneous system that consists of water or a solution in water of a substance.

(neuroanatomy) The channel in the brain which connects the third ventricle to the fourth ventricle. It is surrounded by the periaqueductal gray.

A board ridden by a standing person and pulled by a motorboat for entertainment

To ride such a board.

A Scandinavian liquor that is about 40% alcohol by volume; distilled from potato or grain mash and flavored with caraway seeds, anise, fennel, dill and other spices and herbs, depending on variety.

The cultivation of aquatic produce such as aquatic plants, fish, and other aquatic animals.

An underground layer of water-bearing porous stone, earth, or gravel.

A form of etching with acid on a plate partially covered with varnish that produces a print somewhat resembling a watercolour. / An etching or print made using this method.

To make such etchings.

(ophthalmology) The clear, watery fluid that fills the front of the eye between the cornea and the crystalline lens.