Definition of chinch in English:

chinch

(also chinch bug)

noun

  • A plant-eating ground bug that forms large swarms on grasses and rushes.

    • ‘The chinch bug is a native North American insect that can destroy cultivated grass crops, especially sorghum and corn, and occasionally small grains, such as wheat and barley.’
    • ‘He chuckles, ‘There's nothing a quail likes as much as a chinch bug.’’
    • ‘Although chinch bug numbers are not high in most fields, growers should check fields frequently during the next couple of weeks to identify problem fields.’
    • ‘The product works as either a preventive or curative control for fire ants, mole crickets, sod webworms, cutworms, armyworms and chinch bugs.’
    • ‘Soybeans are not a chinch bug host and would be a better choice in these areas.’

Origin

Early 17th century (in the sense ‘bedbug’): from Spanish chinche, from Latin cimex, cimic-.

Pronunciation:

chinch

/tʃɪn(t)ʃ/