mat·ri·mo·ny 
(mătrə-mō′nē)
(mătrə-mō′nē)n. pl. mat·ri·mo·nies
The act or state of being married; marriage.
[Middle English, from Old French matrimoine, from Latin mātrimōnium, from māter, mātr-, mother; see māter- in the Appendix of Indo-European roots.]
mat′ri·moni·al adj.
mat′ri·moni·al·ly adv.
- four-leaf clover
- four-letter word
- four-o'clock
- four-peat
- fourpenny nail
- fourplex
- four-poster
- fourragère
- fourscore
- foursome
- foursquare
- foursquarely
- four-star
- fourteen
- fourteenth
- fourth
- fourth dimension
- fourth estate
- Fourth of July
- fourth quantum number
- fourth wall
- Fourth World
- Fourth-World
- four-way
- four-wheel drive