лунь

• IPA^(key):

лунь • (lunʹ) m anim (genitive луня́, nominative plural луни́, genitive plural луне́й)

1. (bird) harrier, ring-tail

   лунь болотный ― lunʹ bolotnyj ― marsh harrier; duck hawk

   седой как лунь; белый как лунь ― sedoj kak lunʹ; belyj kak lunʹ ― white-haired; white as snow

Inherited from Proto-Slavic *luňь. Cognate with Russian лунь (lunʹ, “harrier”), Church Slavonic лунь (lunĭ, “vulture”), Serbo-Croatian type of kite (bird), Slovene lȗnj (“kite (bird)”), Czech luňak (“kite (bird)”). Per Vasmer, possibly from earlier *lupňь from Proto-Slavic *lupiti (“to peel”).

• IPA^(key):

лунь • (lunʹ) m animal (genitive лу́ня, nominative plural лу́ні, genitive plural лу́нів)
лунь • (lunʹ) f animal (genitive лу́ні, nominative plural лу́ні, genitive plural лу́ней) (rare)

1. harrier (bird of prey in the genus Circus of the subfamily Circinae)

normal masculine declension:

rare feminine declension:

• Bilodid, I. K., editor (1970–1980), “лунь”, in Словник української мови: в 11 т. [Dictionary of the Ukrainian Language: in 11 vols] (in Ukrainian), Kyiv: Naukova Dumka