'Matrimony vine' definitions:

Definition of 'matrimony vine'

noun

Any of various shrubs or vines of the genus Lycium with showy flowers and bright berries [syn: matrimony vine, boxthorn]

From: GCIDE

Matrimony \Mat"ri*mo*ny\, n. [OE. matrimoine, through Old French, fr. L. matrimonium, fr. mater mother. See Mother.]
1. The union of man and woman as husband and wife; the nuptial state; marriage; wedlock. [1913 Webster]
If either of you know any impediment, why ye may not be lawfully joined together in matrimony, ye do now confess it. --Book of Com. Prayer (Eng. Ed.) [1913 Webster]
2. A kind of game at cards played by several persons. [1913 Webster]
Matrimony vine (Bot.), a climbing thorny vine ({Lycium barbarum}) of the Potato family. --Gray. [1913 Webster]
Syn: Marriage; wedlock. See Marriage. [1913 Webster]