jointure
Concise Oxford English Dictionary © 2008 Oxford University Press:
jointure /ˈdʒɔɪntʃə/
▶noun Law an estate settled on a wife for the period during which she survives her husband.
– origin ME (orig. denoting the joint holding of property): from OFr., from L. junctura (see juncture).
'jointure' also found in these Oxford entries:

