a part that juts out of a surface, such as a protuberance, a projection, a prominence, a bump, a process, a promontory, an apophysis, an appendix, etc.

wall, barrier, obstacle, partition

(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

either a coracoid process or a coronoid process

a transverse process

a pterygoid process

Kyūjitai form of 科学博物館