What does «nupcial» mean in Spanish?

Relating to weddings.

Examples of use in Spanish: "fue una hermosa ceremonia nupcial en la playa".

"marcha nupcial".

"banquete nupcial".

"estas son las últimas tendencias en decoración nupcial".
(nectario nupcial) The nectary is located in the flower and attracts pollinating insects.
(marcha nupcial) Music used for the entrance of the bride at a wedding.