Definition of adelgid in US English:

adelgid

noun

  • An insect of the family Adelgidae, which comprises sap-feeding hemipteran insects resembling aphids.

Origin

1920s: from family name Adelgidae, perhaps from Greek adelos ‘unseen’ + gē ‘earth’.

Pronunciation

adelgid

/əˈdeljid//əˈdɛldʒɪd/