From WordNet (r) 3.0 (2006):
fixing
n 1: the act of putting something in working order again [syn:
repair, fix, fixing, fixture, mend, mending,
reparation]
2: restraint that attaches to something or holds something in
place [syn: fastener, fastening, holdfast, fixing]
3: the sterilization of an animal; "they took him to the vet for
neutering" [syn: neutering, fixing, altering]
4: (histology) the preservation and hardening of a tissue sample
to retain as nearly as possible the same relations they had
in the living body [syn: fixation, fixing]