Defn: Arched; as, archy brows.
ARCHY *ar"chy. Etym: [Gr. Arch-, pref.]
Defn: A suffix properly meaning a rule, ruling, as in monarchy, the rule of one only. Cf. -arch.
ARCIFORM
Ar"ci*form, a. Etym: [L. arcus bow + -form.]
Defn: Having the form of an arch; curved.
ARC LIGHT
Arc light. (Elec.)
Defn: The light of an arc lamp.
ARCOGRAPH
Arc"o*graph, n. Etym: [L. arcus (E. arc) + -graph.]
Defn: An instrument for drawing a circular arc without the use of a central point; a cyclograph.
ARCTATION Arc*ta"tion, n. Etym: [L. arctus shut in, narrow, p. p. of arcere to shut in: cf. F. arctation.] (Med.)