The Collaborative International Dictionary of English v.0.48:

maniglion \ma*ni"glion\ (m[.a]*n[i^]l"y[u^]n), n. [It. maniglio,
   maniglia, bracelet, handle. Cf. Manilio.] (Gun.)
   Either one of two handles on the back of a piece of ordnance.
   [1913 Webster] Manihoc