The Collaborative International Dictionary of English v.0.48:
Knurled \Knurled\ (n[^u]rld), a.
1. Full of knots; gnarled.
[1913 Webster]
2. Milled, as the head of a screw, or the edge of a coin.
[1913 Webster]
Moby Thesaurus II by Grady Ward, 1.0:
27 Moby Thesaurus words for "knurled":
burled, gnarled, gnarly, knobbed, knobbly, knobby, knoblike,
knotted, knotty, knurly, lumpy, nodal, noded, nodiform, nodose,
nodular, nodulated, noduled, nubbled, nubbly, nubby, studded,
torose, tubercular, tuberculous, tuberose, tuberous