Definition of tergal in English:

tergal

adjective

Zoology
  • Relating to the terga of an arthropod.

    • ‘The cuticle of juvenile stages is thin and weakly sclerotized, and sternal and tergal plates are barely recognizable in the light microscope.’
    • ‘In places, portions of the sternites can be seen where the tergal cuticle has broken away.’
    • ‘They also discovered a contact sex pheromone in the female's tergal gland - the first time such a pheromone has been identified for any termite species.’

Origin

Mid 19th century: from Latin tergum back + -al.

Pronunciation:

tergal

/ˈtəːɡ(ə)l/