Knurl

from The Collaborative International Dictionary of English v.0.48
Knurl \Knurl\ (n[^u]rl), v. t.
   To provide with ridges, to assist the grasp, as in the edge
   of a flat knob, or coin; to mill.
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Knurl \Knurl\ (n[^u]rl), n. [See {Knar}, {Gnar}.]
   A contorted knot in wood; a crossgrained protuberance; a
   nodule; a boss or projection.
   [1913 Webster]

   2. One who, or that which, is crossgrained.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
85 Moby Thesaurus words for "knurl":
      Vandyke, bilge, blain, blaze, bleb, blister, blob, boss, bow,
      bubble, bulb, bulge, bulla, bump, bunch, burl, button, cahot,
      chine, chop, clump, condyle, convex, crenellate, crenulate, crimp,
      cut, dowel, ear, flange, flap, gall, gash, gnarl, handle, hill,
      hump, hunch, incise, indent, jag, jog, joggle, knob, knot, knur,
      lip, loop, lump, machicolate, mill, mole, mountain, nevus, nick,
      notch, nub, nubbin, nubble, papilloma, peg, picot, pink, rib,
      ridge, ring, scallop, scarify, score, scotch, serrate, shoulder,
      slash, spine, stud, style, tab, tooth, tubercle, tubercule,
      verruca, vesicle, wale, wart, welt

    

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