Meaning of semifloating

sem•i•float•ing

Pronunciation: (sem"ē-flō'ting, sem"ī-), [key]
— adj.
  1. noting or pertaining to a driving axle of an automobile or the like, the inner end of which is carried by the differential gear and the outer end of which is keyed to a wheel supported by the axle housing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.