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/