(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

forget oneself / be beside oneself

(genetics) mutation

(uncommon) clipping of 相合傘 (aiaigasa)

umbrella stand

Alternative spelling of 笠雲

the roof of the Kōshien Stadium