Wordnet 3.0
NOUN (2)
1.
a component or accessory added to something after it has been manufactured;
2.
the act of adding a component or accessory to something that did not have it when it was manufactured;
- Example: "the court ordered a retrofit on all automobiles"VERB (3)
1.
provide with parts, devices, or equipment not available or in use at the time of the original manufacture;
- Example: "They car companies retrofitted all the old models with new carburetors"2.
fit in or on an existing structure, such as an older house;
- Example: "The mansion was retrofitted with modern plumbing"3.
substitute new or modernized parts or equipment for older ones;
- Example: "The laboratory retrofitted to meet the safety codes"
WordNet (r) 3.0 (2006):
retrofit
n 1: a component or accessory added to something after it has
been manufactured
2: the act of adding a component or accessory to something that
did not have it when it was manufactured; "the court ordered
a retrofit on all automobiles"
v 1: provide with parts, devices, or equipment not available or
in use at the time of the original manufacture; "They car
companies retrofitted all the old models with new
carburetors"
2: fit in or on an existing structure, such as an older house;
"The mansion was retrofitted with modern plumbing"
3: substitute new or modernized parts or equipment for older
ones; "The laboratory retrofitted to meet the safety codes"