diving bell spider / (operations, logistics) A warehouse worker who performs only certain specific tasks, often replenishment.

(shipbuilding) the outline of a horizontal section of a vessel, as when floating in the water.

a small wetland bird (Rallus aquaticus) of the family Rallidae that breeds in marshes and reedbeds across Europe and Asia.

A form of childbirth in which the mother is supported in a birthing pool so that the child is delivered into the warm water.

A device which reduces the calcium and magnesium concentration of hard water by passing it through an ion exchange resin.

(chemistry) Water with a low concentration of dissolved minerals, especially calcium, making it easier to lather with soap.

(chemistry) Water with a high concentration of dissolved minerals, especially calcium, making it difficult to lather with soap.

Any of various aquatic insects of the family Corixidae that have paddle-shaped hind legs used for swimming.

Any of various freshwater aquatic beetles that have a smooth oval body and flattened hind legs adapted for swimming, and that carry an air bubble underneath their abdomens.

Having a great depth of water. / Carried out at great depth. / Located in or near deep ocean waters. / Living at a great depth underwater