cocktail hour

:  a usually iced drink of wine or distilled liquor mixed with flavoring ingredients

:  something resembling or suggesting such a drink as being a mixture of often diverse elements or ingredients

:  a mixture of agents usually in solution that is taken or used especially for medical treatment or diagnosis

:  of, relating to, or set aside for cocktails

:  designed for semiformal wear

:  a horse with its tail docked

:  a time or office for daily liturgical devotion

:  canonical hour

:  the 24th part of a day :  60 minutes