IPA: /ˈpɑːrsənər/
KK: /ˈpɑːrsənər/
A person who shares ownership of property with one or more others, especially in the context of inheritance.
As a parcener, she had equal rights to the family estate along with her siblings.
Parcener → It originates from Old French 'parcenier' (meaning to share or divide), which is derived from 'par-' (meaning together) and 'cenier' (meaning to divide). A parcener is someone who shares or divides property with others.
Think of someone who 'shares' ('par-') and 'divides' ('cenier') property with others — that's what a parcener does.