Webster’s Revised Unabridged Dictionary · 1913
Handfast
Hand′fast′ (-fȧst′), n. 1. Hold; grasp; custody; power of confining or keeping. [Obs.] Shak.
2. Contract; specifically, espousal. [Obs.]
Hand′fast′, a. Fast by contract; betrothed by joining hands. [Obs.] Bale.
Hand′fast′, v. t. [imp. & p. p. Handfasted; p. pr. & vb. n. Handfasting.] To pledge; to bind; to betroth by joining hands, in order to permit cohabitation, before the celebration of marriage. [Obs.]
Hand′fast′, a. [G. handfest; hand hand + fest strong. See Fast.] Strong; steadfast.[R.] Carlyle.