'Creosote bush' definitions:

Definition of 'creosote bush'

(from WordNet)
noun
Desert shrub of southwestern United States and New Mexico having persistent resinous aromatic foliage and small yellow flowers [syn: creosote bush, coville, hediondilla, Larrea tridentata]

Definition of 'Creosote bush'

From: GCIDE
  • Creosote bush \Cre"o*sote bush\ A shrub (Covillea mexicana) found in desert regions from Colorado to California and southward through Mexico. It has yellow flowers and very resinous foliage with a strong odor of creosote. [Webster 1913 Suppl.] Crepance