Definition of pentatomid in US English:

pentatomid

noun

Entomology
  • Any of numerous plant-feeding heteropteran insects (bugs) constituting the family Pentatomidae, many members of which are brilliantly coloured; a shield bug, a stink bug.

adjective

Entomology
  • Of or relating to the family Pentatomidae.

Origin

Mid 19th century; earliest use found in Alpheus Packard (1839–1905). From scientific Latin Pentatoma, genus name (Olivier 1789; from French pentatome from penta- + -tome, in reference to the five-jointed antennae) + -id, after scientific Latin Pentatomidae, family name (J. F. Stephens Systematic Catal. Brit. Insects 337; earlier as Pentatomida).

Pronunciation

pentatomid

/pɛnˈtatəmɪd/