Source : Webster's Revised Unabridged Dictionary (1913)

Cloche \Cloche\, n. [F., prop., bell.] (A["e]ronautics)
   An apparatus used in controlling certain kinds of
   a["e]roplanes, and consisting principally of a steering
   column mounted with a universal joint at the base, which is
   bellshaped and has attached to it the cables for controlling
   the wing-warping devices, elevator planes, and the like.

Source : WordNet®

cloche
     n 1: a low transparent cover put over young plants to protect
          them from cold
     2: a woman's close-fitting helmet-like hat