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.
Definition of anniversary. plural. anniversaries. 1 : the annual recurrence of a date marking a notable event a wedding anniversary; broadly : a date that follows such an event by a specified period of time measured in units other than years the 6-month anniversary of the accident. 2 : the celebration of an anniversary.