Definition of "spousal"

spousal¹

/ˈspaʊzəl/

adjective
comparative more spousal, superlative most spousal
1. of or relating to marriage
2. of or relating to a spouse, spouses; to the relationship between spouses
  Quotations
  […] There ſhall wee conſummate our ſpousall rites.
  c. 1588–1593 (date written), [William Shakespeare], The Most Lamentable Romaine Tragedie of Titus Andronicus: […] (First Quarto), London: […] Iohn Danter, and are to be sold by Edward White & Thomas Millington, […], published 1594, [Act I, scene i]

spousal²

/ˈspaʊzəl/

noun
plural spousals
1. (obsolete, chiefly in the plural) Espousal; marriage; nuptials.
  Quotations
  The Spouſals of Hippolita the Queen;
  1700, [John] Dryden, “Palamon and Arcite: Or, The Knight’s Tale. In Three Books.”, in Fables Ancient and Modern; […], London: […] Jacob Tonson, […], book I, page 2
  Knowing well to celebrate / With song and hue and star and state, / With tender light and youthful cheer, / The spousals of the new-born year.
  1867, Ralph Waldo Emerson, “May-Day”, in May-Day and Other Pieces, Boston, Mass.: Ticknor and Fields, page 17