Webster's Revised Unabridged Dictionary · 1913

Hypostrophe

Hypostrophe , noun

[New Latin, from Greek {not transcribed}, from {not transcribed} to turn round or back; {not transcribed} under + {not transcribed} to turn.]

(a)
(Medicine) The act of a patient turning himself.
(b)
(Medicine) A relapse, or return of a disease.