floor n1 a : a main level space (as in a stock exchange or legislative chamber) distinguished from a platform or gallery
b : members of an assembly [took questions from the ]
c : the right to address an assembly [the senator from Utah has the ]
2 : a lower limit [a five percent on deductions for medical expenses]
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.