The Collaborative International Dictionary of English v.0.48:

Tined \Tined\, a.
   Furnished with tines; as, a three-tined fork.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tined
    adj 1: having prongs or tines; usually used in combination; "a
           three-tined fork" [syn: pronged, tined]

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "tined":
   acanthoid, acanthous, acicular, acuate, aculeate, aculeiform,
   acuminate, acute, barbed, cornuted, cusped, cuspidate, hispid,
   horned, horny, mucronate, needle-pointed, needle-sharp, pointed,
   pronged, sharp-pointed, spiculate, spiked, spiky, spined, spinous,
   spiny, tapered, tapering, toothed, unbated