Feb. 14, observed in honor of a martyr of the 3d cent. and, coincidentally, as a day for sending valentines to sweethearts, schoolmates, etc.
Valentine's Day, also called Saint Valentine's Day, is February 14th, when people in the US and Europe exchange cards, gifts and signs of their love for each other.
An example of Valentine's Day is when people give each other heart-shaped boxes of candy.
Saint Valentine's Day.
Valentine-s-day Sentence Examples
In 1613 Donne contributed to the Lachrymae lachrymarum an obscure and frigid elegy on the death of the prince of Wales, and wrote his famous Marriage Song for St Valentine's Day to celebrate the nuptials of the elector palatine with the princess Elizabeth.
I've made a panettone for breakfast on Valentine's Day tomorrow.