aq·ui·line \ˈakwəˌlīn, -_lə̇n\adjective Etymology: Latin aquilinus, from aquila eagle + -inus -ine — more at eagle 1.: of, belonging to, or like an eagle 2.: curving or hooked like an eagle's beak : prominent < an aquiline nose > < the aquiline profile of a Roman senator — Ellen Glasgow > • aq·ui·lin·i·ty\ˌ ̷ ̷ ̷ ̷ˈlinəd.ē, -ətē, -i\noun-es