nuptial \NUHP-shuhl; -chuhl\ (adjective) - 1 : Of or pertaining to marriage; done or used at a wedding; as, "nuptial rites and ceremonies." 2 : Of, pertaining to, or occurring in the mating season.
(noun) - Marriage; wedding; nuptial ceremony; -- usually used in the plural.
"...On the one day of their triumph when, like Kitty, they had stood beneath the nuptial crown, with love, hope, and dread in their hearts, renouncing the past and stepping foward into the mysterious future." -- Leo Tolstoy, 'Anna Karenin'
Nuptial comes from Latin nuptialis, from nuptiae "marriage, wedding," from the past participle of nubere, properly, "to cover, to veil," hence, "to marry," as the head of the bride was covered with a veil.