To act as a medical doctor to.
To physically alter (medically or surgically) a living being in order to change growth or behavior.
To act as a medical doctor.
To alter or make obscure, as with the intention to deceive, especially a document.
To genetically alter an extant species.
To make (someone) into an (academic) doctor; to confer a doctorate upon.
To adulterate, drug, or poison (drink).
A physician; a member of the medical profession; one who is trained and licensed to heal the sick or injured. The final examination and qualification may award a doctor degree in which case the post-nominal letters are D.O., DPM, M.D., DMD, DDS, in the US or MBBS in the UK.
A person who has attained a doctorate, such as a Ph.D. or Th.D. or one of many other terminal degrees conferred by a college or university.
A veterinarian; a medical practitioner who treats non-human animals.
A fish, the friar skate.
A nickname for a person who has special knowledge or talents to manipulate or arrange transactions.
To employ by paying a retainer.
To hold back (a pupil) instead of allowing them to advance to the next class or year.
To keep in one's pay or service.
To keep in possession or use.
To hold secure.