The Collaborative International Dictionary of English v.0.48:

Inchamber \In*cham"ber\, v. t. [imp. & p. p. Inchambered; p.
   pr. & vb. n. Inchambering.] [Pref. in- in + chamber: cf.
   OF. enchambrer.]
   To lodge in a chamber. [R.] --Sherwood.
   [1913 Webster]