Defn: A plant or vegetable produced by impregnating the pistil of one species with the pollen or fecundating dust of another; — called also hybrid.

3. A very stubborn person.

4. A machine, used in factories, for spinning cotton, wool, etc., into yarn or thread and winding it into cops; — called also jenny and mule-jenny. Mule armadillo (Zoöl.), a long-eared armadillo (Tatusia hybrida), native of Buenos Ayres; — called also mulita. See Illust. under Armadillo. — Mule deer (Zoöl.), a large deer (Cervus, or Cariacus, macrotis) of the Western United States. The name refers to its long ears. — Mule pulley (Mach.), an idle pulley for guiding a belt which transmits motion between shafts that are not parallel. — Mule twist, cotton yarn in cops, as spun on a mule; — in distinction from yarn spun on a throstle frame.

MULE-JENNY
Mule"-jen`ny, n.

Defn: See Mule, 4.

MULE KILLER
Mule killer.

Defn: Any of several arthropods erroneously supposed to kill live
stock, in the southern United States, by stinging or by being
swallowed; as:
(a) A whip scorpion. [Florida]
(b) A walking-stick insect. [Texas]
(c) A mantis.
(d) A wheel bug.

MULETEER Mu`le*teer", n. Etym: [F. muletier, fr. mulet a mule, dim. fr. L. mulus.]

Defn: One who drives mules.

MULEWORT
Mule"wort`, n. (Bot.)