PROOF-ARM
Proof`-arm", v. t.

Defn: To arm with proof armor; to arm securely; as, to proof-arm herself. [R.] Beau. & Fl.

PROOFLESS
Proof"less, a.

Defn: Wanting sufficient evidence to induce belief; not proved.
Boyle.
— Proof"less*ly, adv.

PROOF-PROOF
Proof"-proof`, a.

Defn: Proof against proofs; obstinate in the wrong. "That might have shown to any one who was not proof-proof." Whateley.

PROOSTRACUM; PROOESTRACUM
Pro*ös"tra*cum, n.; pl. Proöstraca. Etym: [NL., fr. Gr. (Zoöl.)

Defn: The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous. See Illust. of Phragmocone.

PROOTIC; PROOETIC
Pro*ö"tic, a. Etym: [Pref. pro- + Gr. (Anat.)

Defn: In front of the auditory capsule; — applied especially to a bone, or center of ossification, in the periotic capsule. — n.