1. Literally, an irrational fear of water, to drink or to swim in. Someone who is scared of the water is hydrophobic. 2. A term once commonly used for rabies because in the later stages of that disease, the animal (or person) has difficulty swallowing and so fears a drink of water. From hydro-, water + -phobia, fear.

The fear of water

late 14c., idroforbia, "dread of water, aversion to swallowing water," a symptom of rabies in man (sometimes used for the disease itself), from Late Latin hydrophobia, from Greek hydrophobos [..]

To dream that you are afflicted with hydrophobia, denotes enemies and change of business. To see others thus afflicted, your work will be interrupted by death or ungrateful dependence. To dream that an animal with the rabies bites you, you will be betrayed by your dearest friend, and much scandal will be brought to light.   

Fear of water.

(n) a symptom of rabies in humans consisting of an aversion to swallowing liquids(n) a morbid fear of water(n) an acute viral disease of the nervous system of warm-blooded animals (usually transmitted [..]

literally a fear of water which is a symptom of rabies.

Acute Viral CNS Infection affecting Mammals, including Humans. It is caused by Rabies virus and usually spread by contamination with Virus-laden Saliva of bites inflicted by rabid Animals. Important A [..]

fear of water.