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.
date - the particular day, month, or year (usually according to the Gregorian calendar) that an event occurred; he tried to memorizes all the dates for his history class. twelvemonth, year, yr - a period of time containing 365 (or 366) days; she is 4 years old; in the year 1920.