I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : used or presented twice a day
a two-a-day theatrical attraction
2. : presenting an entire vaudeville bill twice daily
a two-a-day house
II. noun
Etymology: two-a-day (I)
: something used or presented twice daily ; especially : a vaudeville show with two performances daily