expression-n; 7 Senses

Sense Number 1: A demonstration of emotion.

Commentary: EXPRESSION[+emotion][+event]

Examples:
She had a sad expression on her face.
Tears are an expression of grief.

Mappings:
WordNet 3.0 Sense Numbers: 1, 2

Sense Number 2: The communication of one's beliefs.

Commentary: EXPRESSION[+communication][+event]

Examples:
He helped me find verbal expression for my ideas.
The idea was immediate but the expression took hours.

Mappings:
WordNet 3.0 Sense Numbers: 3

Sense Number 3: A collection of words considered a single, conventionalized unit.

Commentary: EXPRESSION[+linguistic]

Examples:
Pardon the expression.
His faltering expressions told me he was not a native speaker.

Mappings:
WordNet 3.0 Sense Numbers: 4, 8

Sense Number 4: The style of communication or carrying of oneself.

Commentary: EXPRESSION[+style]

Examples:
His manner of expression showed how much he cared.
Her style of expression revealed her aristocratic roots.

Mappings:
WordNet 3.0 Sense Numbers: 5

Sense Number 5: A group of symbols that make a mathematical statement.

Commentary: EXPRESSION[+mathematical]

Examples:
That expression is not allowed in algebra.
We should make the simplest expression of this equation.

Mappings:
WordNet 3.0 Sense Numbers: 6

Sense Number 6: (genetics) the process of expressing a gene.

Commentary: EXPRESSION[+genetics][+event]

Examples:
Gene expression is a difficult art.
We must push the gene to expression.

Mappings:
WordNet 3.0 Sense Numbers: 7

Sense Number 7: The act of forcing something out by squeezing or pressing.

Commentary: EXPRESSION[+event]

Examples:
The expression of milk from her breast met the baby's lips.
An expression of pus from the wound flooded the sterile field.

Mappings:
WordNet 3.0 Sense Numbers: 9