The Collaborative International Dictionary of English v.0.48:

Retread \Re*tread"\, v. t. & i.
   To tread again.
   [1913 Webster]

WordNet (r) 3.0 (2006):

retread
    n 1: a used automobile tire that has been remolded to give it
         new treads [syn: retread, recap]
    v 1: use again in altered form; "retread an old plot" [syn:
         rework, make over, retread]
    2: give new treads to (a tire) [syn: retread, remold,
       remould]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "retread":
   balloon tire, belted bias tire, belted radial tire, bias tire,
   cobble, commission, condition, darn, do up, doctor, face-lift,
   felly, fix, fix up, furbishment, mend, nonskid tire, overhaul,
   patch, patch up, pneumatic tire, put in commission, put in order,
   put in repair, put in shape, radial tire, ready, recap,
   recondition, reconditioning, refreshment, refurbishment, renewal,
   renovation, repair, retreaded tire, retreading, rim, safety tire,
   service, set to rights, sew up, slum clearance, snow tire,
   studded tire, tinker, tinker up, tire, tubeless tire,
   urban renewal, white sidewall tire, winter tire