Definition of selectional in English:

selectional

adjective

Linguistics
  • Denoting or relating to the process by which only certain words or structures can occur naturally, normally, or correctly in the context of other words.

    ‘‘ her ideas ate breakfast’ violates a selectional restriction’
    • ‘In both French and English, there is a loosening of selectional restrictions between a verb and its subject, which we observed in the case of English be able to.’

Pronunciation

selectional

/sɪˈlɛkʃənl/