脐接合
啮合镶接

Joggle \Jog"gle\, n. [Arch.]
A notch or tooth in the joining surface of any piece of
building material to prevent slipping; sometimes, but
incorrectly, applied to a separate piece fitted into two
adjacent stones, or the like.

{Joggle joint} (Arch.), a joint in any kind of building
material, where the joining surfaces are made with
joggles.