Webster’s Revised Unabridged Dictionary · 1913
Handcuff
Hand′cuff′ (-kŭf′), n. [AS. handcops; hand hand + cosp, cops, fetter. The second part was confused with E. cuffs,] A fastening, consisting of an iron ring around the wrist, usually connected by a chain with one on the other wrist; a manacle; — usually in the plural.
Hand′cuff′ (hănd′kŭf′), v. t. [imp. & p. p. Handcuffed (- kŭft′); p. pr. & vb. n. Handcuffing.] To apply handcuffs to; to manacle. Hay.