To remain afloat in the water without use of any buoyancy aid, by using kicking motions and hand motions. / (figuratively) To make no progress, expending effort just enough to maintain a stable position.

Alternative spelling of watershed

A solution of chlorine in water used as a bleaching agent

(law) Shares of stock in a business that are inflated by parties colluding with the seller making inflated offers for the property that the stock represents, which are reported to potential sellers as indicative of the value of the stock.

(geology) The level, underground, below which the ground is saturated with water. / (architecture) A molding or other projection in the wall of a building to throw off rainwater.

The level of a body of water, especially when measured above a datum line. / The level of the water table below ground. / The waterline of a ship.

The location of low tide in a coastal area. / The lowest stage of a river. / The temporary situation of having little money.

A depression in which water collects and where animals come to drink. / (idiomatic) A bar or other local drinking establishment.

plural of water strider

Any of a number of predatory insects in the family Gerridae, which rely on surface tension to walk on top of water.