Hollow to Floor measurement is simply from the hollow of your neck to the floor by your feet. How to Measure Hollow to Hem ... hollow to floor definition; Hollow-to-hem is a specific type of length measurement used for bridal gowns only. Some designers offer the option to have a gown cut to a particular length. Mr What will tell you the definition or meaning of What is HOLLOW TO FLOOR MEASUREMENT. How To Measure ... ForHerandForHim Measurement Hollow-Floor â YouTube. How to measure Length from Hollow to Floor: Measure from the center of the collarbone (hollow) ...