noun, masculine/kʁwa.sɑ̃/plural: croissants
croissant is masculine in French.
crescent; croissant; crescent moon
“croissant de lune”
Present participle of the verb croître (“to increase, to grow”). From Old French croisant, from earlier creissant, from Latin crēscentem, present active participle of crēscō (“to augment”).