Definition of nidification in English:

nidification

noun

Zoology
  • [mass noun] Nest-building.

    • ‘When a raven is killed during nidification, the bereaved mate goes away, and after a short absence returns with another raven.’
    • ‘The language of Wilson and Audubon is somewhat ambiguous, but may fairly be taken as implying the male bird's presence throughout the period of nidification.’
    • ‘April and July were the lowest nidification periods for Trypoxylon species.’

Origin

Mid 17th century: from Latin nidificat- made into a nest (from the verb nidificare, from nidus nest) + -ation.

Pronunciation:

nidification

/ˌnɪdɪfɪˈkeɪʃ(ə)n/