(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.

朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

put away

(collective) elder sister and younger brother

Rare spelling of 兄弟 (“siblings”, literally “elder brother and younger brother”).

Rare spelling of 乙姫.

(archaic) a noblewoman who is younger sister to another one in her family

Spread of infection, such as a cold or sexually transmitted infection, amongst members living together.

(medicine) oral infection; oral transmission