Defn: The frequent use of the sound of iota (that of English e in be), as among the modern Greeks; also, confusion from sounding Littré.

I O U
I O U. Etym: [i. e., I owe you.]

Defn: A paper having on it these letters, with a sum named, and duly signed; — in use in England as an acknowledgment of a debt, and taken as evidence thereof, but not amounting to a promissory note; a due bill. Wharton. Story.

IOWAS
I"o*was, n. pl.

Defn: ; sing. Iowa. (Ethnol.) A tribe of Indians which formerly occupied the region now included in the State of Iowa.

IPECAC
Ip"e*cac, n.

Defn: An abbreviation of Ipecacuanha, and in more frequent use.

IPECACUANHA
Ip`e*cac`u*an"ha, n. Etym: [Pg. ipecacuanha (cf. Sp. ipecacuana); fr.
Braz. ipe-kaa-guena, prop., a creeping plant that causes vomiting.]
(Med. & Bot.)

Defn: The root of a Brazilian rubiaceous herb (Cephaëlis Ipecacuanha), largely employed as an emetic; also, the plant itself; also, a medicinal extract of the root. Many other plants are used as a substitutes; among them are the black or Peruvian ipecac (Psychotria emetica), the white ipecac (Ionidium Ipecacuanha), the bastard or wild ipecac (Asclepias Curassavica), and the undulated ipecac (Richardsonia scabra).

IPOCRAS
Ip"o*cras, n.