present participle of carry the day

To lead to victory or success; to prevail.

(Christianity) Any of the three days within the same week, four separate sets of which occur roughly equidistant in the circuit of the year, that are set aside for fasting and prayer. In Western Christianity they are usually the Wednesday, Friday, and Saturday following the first Sunday in Lent, Whitsunday, Holy Cross Day (14 September), and Saint Lucy's Day (13 December).

(US, law, attributive) Describing a proffer letter agreement.

(art) The final day before a public exhibition; originally the day when artists could apply a final coat of varnish to their paintings after they had been hung, now the day when artists can make finishing touches, make sure pictures have been hung the right way up etc., and meet their fellow artists.

plural of Wattle Day

(Australia) A celebration held on September 1st to commemorate the first day of spring.

plural of lawful day

(historical) Any day on which business could be legally done, excluding Sundays and public holidays.

(poetic) The Sun.