Definition of aestival in English:

aestival

(US estival)

Pronunciation: /ɛˈstʌɪv(ə)l//ˈɛstɪv(ə)l//iːˈstʌɪv(ə)l//ˈiːstɪv(ə)l/

adjective

technical
  • Belonging to or appearing in summer.

    • ‘In the first study, aestival survival of the plant was tested at two moisture levels.’
    • ‘Geographical variation results in clinal variation triggering aestival dormancy.’
    • ‘He grouped species into ephemeral, aestival, and evergreen.’

Origin

Late Middle English: from Latin aestivalis, from aestivus, from aestus heat.

Pronunciation:

aestival

/iːˈstʌɪv(ə)l//ˈiːstɪv(ə)l/