Definition of pinacate in US English:

pinacate

noun

South-Western, United States Regional
  • More fully "pinacate beetle", "pinacate bug". Any of several flightless black darkling beetles of the genus Eleodes found in the deserts of Arizona and northwestern Mexico, known for the foul-smelling liquid they emit when attacked.

Origin

Late 19th century; earliest use found in John Comstock (1849–1931). FromMexican Spanish pinacate from Nahuatl pinacatl.

Pronunciation

pinacate

/piːnəˈkɑːteɪ/