Defn: A chief or transcendent traitor. I. Watts.

ARCHTREASURER
Arch`treas"ur*er, n. Etym: [Pref. arch- + treasurer.]

Defn: A chief treasurer. Specifically, the great treasurer of the
German empire.

ARCHWAY
Arch"way, n.

Defn: A way or passage under an arch.

ARCHWIFE
Arch`wife", n. Etym: [Pref. arch- + wife.]

Defn: A big, masculine wife. [Obs.] Chaucer.

ARCHWISE
Arch"wise, adv.

Defn: Arch-shaped.

ARCHY
Arch"y, a.