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Webster 1913 Edition
Placebo
‖
Pla-ce′bo
,Noun.
[L., I shall please, fut. of
placere
to please.] 1.
(R. C. Ch.)
The first antiphon of the vespers for the dead.
2.
(Med.)
A prescription with no pharmacological activity given to a patient to humor or satisfy the desire for medical treatment.
To sing placebo
, to agree with one in his opinion; to be complaisant to.
Chaucer.