What does "share" mean?

Additional senses

1. 2.A certain quantity; a portion; a part; a division; as, a small share of prudence.
2. 3.Especially, the part allotted or belonging to one, of any property or interest owned by a number; a portion among others; an apportioned lot; an allotment; a dividend. "My share of fame." Dryden.
3. 4.Hence, one of a certain number of equal portions into which any property or invested capital is divided; as, a ship owned in ten shares.
4. 5.The pubes; the sharebone. [Obs.] Holland. To go shares, to partake; to be equally concerned. -- Share and share alike, in equal shares.
5. 6.To part among two or more; to distribute in portions; to divide. Suppose I share my fortune equally between my children and a stranger. Swift.
6. 7.To partake of, use, or experience, with others; to have a portion of; to take and possess in common; as, to share a shelter with another. While avarice and rapine share the land. Milton.
7. 8.To cut; to shear; to cleave; to divide. [Obs.] The shared visage hangs on equal sides. Dryden.
8. 9.To have part; to receive a portion; to partake, enjoy, or suffer with others. A right of inheritance gave every one a title to share in the goods of his father. Locke.