The Collaborative International Dictionary
Coparcenaries
Coparcenary \Co*par"ce*na*ry\ (k[-o]*p[aum]r"s[-e]*n[asl]*r[y^]), n.; pl. Coparcenaries (-r[i^]z). [Pref. co- + parcenary] (Law) Partnership in inheritance; joint heirship; joint right of succession to an inheritance.
Wiktionary
coparcenaries
n. (plural of coparcenary English)