v. Obs. rare. Also 3 enfermi. [ME. enfermi, a. OF. enferme-r, f. en- (see EN-1) + ferme:L. firm-us FIRM; the later enfirm prob. a new formation on -EN-1 + FIRM a.]
trans. To strengthen, fortify.
1297. R. Glouc. (1724), 552. To Gloucetre hii wende, to enfermi þen toun.
1649. G. Daniel, Trinarch., Hen. IV., liii. The Gascoynes thus enfirmd, and noe great feare Of French Invasion.