4. pl.
Defn: In deep well boring, a device resembling two long chain links, for connecting a percussion drill to the rod or rope which works it, so that the drill is driven down by impact and is jerked loose when jammed.
JARARACA
Jar`a*ra"ca, n. Etym: [Pg., from the native name.] (Zoöl.)
Defn: A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots.
JARBLE
Jar"ble, v. t.
Defn: To wet; to bemire. [Prov. Eng.] Halliwell.
JARDINIERE
Jar`di`nière", n. Etym: [F., fem. of jardinier gardener. See Garden.]
Defn: An ornamental stand or receptacle for plants, flowers, etc., used as a piece of decorative furniture in room.
JARDS
Jards, n. Etym: [F. jarde, jardon.] (Far.)
Defn: A callous tumor on the leg of a horse, below the hock.