ingroove

verb2

1. •
   To form a groove in.

   • I think that the girder rail, the ordinaray pattern of girder rail, an ingrooved rail —I have forgotten the technical term, but it is a rail in that shape—( witness draws diagram on piece of paper.) — 1896
2. •
   To connect or fit together by fitting into a groove; to slot in.

   • So let the change which comes be free To ingroove itself with that, which flies — 1842