noun

1. a part or portion that belongs or is allotted to an individual, or the part contributed by one
2. a just, due, reasonable, or full part or quota to do one's share of work
3. 1. any of the parts or portions into which the ownership of a piece of property is divided
   2. any one of the equal parts into which the capital stock of a corporation is divided

Etymology: ME < OE scearu, akin to scieran, to shear

transitive verb shared, sharing shar′·ing

1. to distribute in shares; give out a portion or portions of; apportion
2. to receive, use, experience, etc. in common with another or others

intransitive verb

1. to have or take a share; participate: often with in
2. to share or divide something equally: often with with