dutiful to one's parents

filial piety / a dutiful child

(respectful) (someone else's) parents

bisexual person

(music) double A-side

(Internet slang) singer who can sing in both a masculine and a feminine voice

a land, a large place / a country in general, a region / a country as in a nation, a state

country

(archaic, possibly obsolete) a kind of beriberi (vitamin B deficiency) causing swelling of the lower leg

Kyūjitai form of 恋: attract, love