legal Definition of floor 1 a: a main level space (as in a stock exchange or legislative chamber) distinguished from a platform or gallery b: members of an assembly
Learner's definition of BIRTHDAY. [count]. 1. : the day when someone was born or the anniversary of that day. â often used before another noun.
Anniversary names. Birthdays are the most common type of anniversary, when someone's birth date is commemorated each year. The actual celebration is sometimes moved for practical reasons, as in the case of an official birthday. Wedding anniversaries are also often celebrated, on the same day of the year as the wedding occurred.