depression-n; 8 Senses

Sense Number 1: A mental state of sadness.

Commentary: DEPRESSION[+mental_state]

Examples:
Her depression required a stay at hospital.
I feel a depression every time I think of work.

Mappings:
WordNet 3.0 Sense Numbers: 1, 4, 7

Sense Number 2: A long-term economic state characterized by unemployment and low prices and low levels of trade and investment.

Commentary: DEPRESSION[+economic]

Examples:
The current depression will rise as industries grow.

Mappings:
WordNet 3.0 Sense Numbers: 2

Sense Number 3: Specifically the Great Depression of 1930s America.

Commentary: DEPRESSION[+economic][+1930s]

Examples:
The Depression left the nation helpless.

Mappings:
WordNet 3.0 Sense Numbers: 5

Sense Number 4: A sunken geological formation.

Commentary: DEPRESSION[+geological]

Examples:
The depression runs for miles along the river.
Depressions are sometimes caused by ancient meteorites.

Mappings:
WordNet 3.0 Sense Numbers: 3

Sense Number 5: An air mass of low pressure that often brings precipitation.

Commentary: DEPRESSION[+weather]

Examples:
The depression will descend on the area tomorrow, bringing snow.

Mappings:
WordNet 3.0 Sense Numbers: 6

Sense Number 6: A concavity in a surface produced by pressing.

Commentary: DEPRESSION[+agent]

Examples:
He left the depression of his fingers in the soft mud.
Susie left a depression in the seat cushion.

Mappings:
WordNet 3.0 Sense Numbers: 8

Sense Number 7: Angular distance below the horizon.

Commentary: DEPRESSION[+astronomy]

Examples:
The depression of a star is its distance below the horizon.

Mappings:
WordNet 3.0 Sense Numbers: 9

Sense Number 8: Pushing down (of something)

Commentary: DEPRESSION[+event]

Examples:
The depression of the space bar on the typewriter inserts a blank.
John's depression of the button launched a rocket.

Mappings:
WordNet 3.0 Sense Numbers: 10