meaning-n; 3 Senses

Sense Number 1: what a sign signifies, the abstract role of what is signified

Commentary: MEANING[+relation][+role][+referent][+of_sign]
NOTE: refers to specific referents of linguistic symbols and signs.

Examples:
What is the meaning of this Chinese character?
Language is an assignment of conventional meaning to arbitrary symbols.
The meaning of many words has changed over time.

Mappings:
PropBank: meaning.01
WordNet 3.0 Sense Numbers: 1

Sense Number 2: the intended message, substance, content

Commentary: MEANING[+entity][+abstract][+information][+message][+intended]
NOTE: refers to propositional content, extended ideas
NOTE: implies an some agent intentionally striving to communicate something

Examples:
The guru taught his pupils the meaning of life.
Sally doesn't understand the meaning of modern art.
She gave me a look full of meaning.
What is the meaning of leaving this mess in my kitchen!

Mappings:
PropBank: NM
WordNet 3.0 Sense Numbers: 2

Sense Number 3: the quality of being very important

Commentary: MEANING[+quality][+importance][+great]

Examples:
Winning the championship had great meaning for the whole nation.
The history of their family had little meaning for the two teenagers.
These activities can lead to new meaning in the life of elderly people.

Mappings:
PropBank: NM
WordNet 0.0 Sense Numbers: 3