ARCHDUKEDOM
Arch`duke"dom, n.

Defn: An archduchy.

ARCHEBIOSIS
Ar`che*bi*o"sis, n. Etym: [Pref. arche- + Gr.

Defn: To origination of living matter from non-living. See
Abiogenesis. Bastian.

ARCHED
Arched, a.

Defn: Made with an arch or curve; covered with an arch; as, an arched door.

ARCHEGONIAL
Ar`che*go"ni*al, a.

Defn: Relating to the archegonium.

ARCHEGONIUM
Ar`che*go"ni*um, n. Etym: [NL., fr. Gr. (Bot.)

Defn: The pistillidium or female organ in the higher cryptogamic plants, corresponding to the pistil in flowering plants.