noun1. a part or portion of something owned, allotted to, or contributed by a person or group
2. (often plural)any of the equal parts, usually of low par value, into which the capital stock of a company is divided: ownership of shares carries the right to receive a proportion of the company's profits
See also ordinary shares, preference shares 3. (on a social networking site) an instance of transmitting another person's post to one's contacts
4. go shares
verb5. (transitive; often foll by out)to divide or apportion, esp equally
6. (when intr, often foll by in)to receive or contribute a portion of
we can share the cost of the petrol
six people shared in the inheritance
7. to join with another or others in the use of (something)
can I share your umbrella?
8. (transitive)(on a social networking site) to transmit (another person's post) to one's contacts