Defn: Barter; exchange. Permutation lock, a lock in which the parts can be transposed or shifted, so as to require different arrangements of the tumblers on different occasions of unlocking.

PERMUTE Per*mute", v. t. Etym: [L. permutare, permutatum; per + mutare to change: cf. F. permuter.]

1. To interchange; to transfer reciprocally.

2. To exchange; to barter; to traffic. [Obs.] Bought, trucked, permuted, or given. Hakluyt.

PERMUTER
Per*mut"er, n.

Defn: One who permutes.

PERN
Pern, v. t. Etym: [See Pernancy.]

Defn: To take profit of; to make profitable. [Obs.] Sylvester.

PERN
Pern, n. (Zoöl.)

Defn: The honey buzzard.