ARCH
Arch, n. Etym: [See Arch-, pref.]
Defn: A chief. [Obs.]
My worthy arch and patron comes to-night. Shak.
ARCH *arch. Etym: [Gr. Arch, a.]
Defn: A suffix meaning a ruler, as in monarch (a sole ruler).
-ARCH -arch. [Gr. 'archo`s chief, commander, 'a`rchein to rule. See Arch, a.]
Defn: A suffix meaning a ruler, as in monarch (a sole ruler).
ARCHAEAN
Ar*chæ"an, a. Etym: [Gr.
Defn: Ancient; pertaining to the earliest period in geological history.
ARCHAEAN
Ar*chæ"an, n. (Geol.)
Defn: The earliest period in geological period, extending up to the Lower Silurian. It includes an Azoic age, previous to the appearance of life, and an Eozoic age, including the earliest forms of life.