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 annual. 1  1 : an event that occurs yearly. 2  2 : a publication appearing yearly the high-school annual. 3  3 : something that lasts one year or season; specifically : a plant that completes its life cycle in one growing season.