the tenth letter in our alphabet, developed from I, the initial form j being specialised to denote the consonantal sound, the medial i being retained for the vowel-sound—not universal in English books before the middle of the 17th century. As a numeral, a variant of I, used in medical prescriptions, as vj, six: representing the mechanical equivalent of heat—from Joule.
Jabber, jab′ėr, v.i. to gabble or talk rapidly and indistinctly: to chatter.—v.t. to utter indistinctly:—pr.p. jabb′ering; pa.p. jabb′ered.—n. rapid indistinct speaking.—n. Jabb′erer.—adv. Jabb′eringly. [From root of gabble.]
Jabble, jab′l, n. (Scot.) an agitation on the surface of water.—v.t. to splash. [Cf. jaup.]
Jabiru, jab′i-rū, n. a kind of large stork. [Brazilian.]
Jaborandi, jab′o-ran′di, n. a Brazilian shrub with sialogogue and diaphoretic properties. [Brazilian.]
Jabot, zha-bō′, n. a frill of lace, &c., worn by women on the bodice.
Jacamar, jak′a-mar, n. a South American bird something like a kingfisher. [Fr.,—Brazilian.]
Jacana, ja-kā′na, n. a tropical bird, allied to the rails, and frequenting swamps. [Brazilian.]