Longman Dictionary of Contemporary English homepage

doctor

2 verb
     
Related topics: Hospital
doctor2 [transitive]
1 to dishonestly change something in order to gain an advantage:
He had doctored his passport to pass her off as his daughter.
There are concerns that some players have been doctoring the ball.
2 to add something harmful to food or drink:
Paul suspected that his drink had been doctored.
3MHHBA to remove part of the sex organs of an animal to prevent it from having babies [= neuter]:
You should have your cat doctored.
4 to give someone medical treatment, especially when you are not a doctor:
Bill doctored the horses with a strong-smelling ointment.

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