Webster's Revised Unabridged Dictionary · 1913

Clinic

Clinic , noun

[See Clinical.]

1.
One confined to the bed by sickness.
2.
(Ecclesiastical) One who receives baptism on a sick bed. [Obsolete] — Hook
3.
(Medicine) a medical facility, often connected with a school or hospital, which treats primarily outpatients.
4.
(Medicine) A school, or a session of a school or class, in which medicine or surgery is taught by the examination and treatment of patients in the presence of the pupils.
5.
a lesson or series of lessons taught to persons not expert in some activity, in which the errors of the students are pointed out, and remedial actions are suggested.
6.
(sports) a performance so excellent as to be considered a model for emulation. [figurative]