hazard-n; 3 Senses

Sense Number 1: a source or cause of danger

Commentary: HAZARD[+cause][+effective][+danger] [+relation][+role][+agent][+danger]

Examples:
High levels of mercury in the drinking water posed a health hazard to the community.
That big pot hole in the road is a real hazard.
Insurance companies are exposed to a moral hazard if the insured party is not honest.
The patient is considered to be a hazard to herself.
John doesn't understand the financial hazards of selling stock short.

Mappings:
WordNet 3.0 Sense Numbers: 1

Sense Number 2: an unforeseen event, a chance occurrence

Commentary: HAZARD[+event][+unforeseen]
NOTE: a rare, and sometimes literary, usage

Examples:
We met, by hazard, in the old book shop on 4th Avenue. (by chance)
It was only by hazard that he became king of the realm.

Mappings:
WordNet 3.0 Sense Numbers: 2

Sense Number 3: designed obstacle on a golf course

Commentary: HAZARD[+entity][+physical][+structure][+obstacle][+course][+golf]

Examples:
Bob often loses a golf ball to the water hazard at the 13th hole.
This golf course has a number of difficult hazards, both sand and water.

Mappings:
WordNet 3.0 Sense Numbers: 3