Dictionary

abandonnataire

/a.bɑ̃.dɔ.na.tɛʁ/

adjective/a.bɑ̃.dɔ.na.tɛʁ/

Which benefits from another party giving up something

From abandonner + -ataire.

noun, masculine/feminine/a.bɑ̃.dɔ.na.tɛʁ/plural: abandonnataires

abandonnataire is masculine or feminine depending on context in French.

a natural or moral person who benefits from another party giving up something

From abandonner + -ataire.