[shair] 
noun, verb, shared, shar⋅ing.| 1. | the full or proper portion or part allotted or belonging to or contributed or owed by an individual or group. |
| 2. | one of the equal fractional parts into which the capital stock of a joint-stock company or a corporation is divided. |
| 3. | to divide and distribute in shares; apportion. |
| 4. | to use, participate in, enjoy, receive, etc., jointly: The two chemists shared the Nobel prize. |
| 5. | to have a share or part; take part (often fol. by in). |
| 6. | to divide, apportion, or receive equally. |
| 7. | on or upon shares, on the principle of sharing the profits or losses of an undertaking: They agreed to work on shares. |
| share 1 (shâr) n.
v. tr.
[Middle English, from Old English scearu, division; see sker-1 in Indo-European roots.] share'a·ble, shar'a·ble adj., shar'er n. |
| share 2 (shâr) n. A plowshare. [Middle English, from Old English scēar; see sker-1 in Indo-European roots.] |
share
A single unit of a class of ownership in a corporation, represented by a stock certificate.
A single unit of ownership in a mutual fund.
The portion of a market controlled by a particular firm.