choil

noun4

1. •
   An unsharpened portion of a knife blade at the base of the blade, near the handle of the knife.
2. •
   The region of a knife where such a portion is, or would be if it existed; the region may be arranged as a grip, guard, or combination thereof (a finger choil), or it may be a notch demarking the end of the sharpened edge (a sharpening choil).

   • This knife's large finger choil helps compensate for the short handle.
3. •
   The portion where the heel meets the bolster.
4. •
   The indentation of a pocket-knife blade where it joins the tang.